diff --git a/main-project/package-lock.json b/main-project/package-lock.json
index 9638998d..d431c97b 100644
--- a/main-project/package-lock.json
+++ b/main-project/package-lock.json
@@ -13,8 +13,10 @@
         "@nestjs/config": "^2.2.0",
         "@nestjs/core": "^8.0.0",
         "@nestjs/platform-express": "^8.0.0",
+        "@nestjs/platform-socket.io": "^9.1.4",
         "@nestjs/swagger": "^5.2.0",
         "@nestjs/typeorm": "^8.0.3",
+        "@nestjs/websockets": "^9.1.4",
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         "class-validator": "^0.13.2",
         "mysql2": "^2.3.3",
@@ -22,6 +24,7 @@
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         "rimraf": "^3.0.2",
         "rxjs": "^7.2.0",
+        "socket.io": "^4.5.2",
         "swagger-ui-express": "^4.3.0",
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+    "node_modules/@nestjs/platform-socket.io": {
+      "version": "9.1.4",
+      "resolved": "https://registry.npmjs.org/@nestjs/platform-socket.io/-/platform-socket.io-9.1.4.tgz",
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+      "dependencies": {
+        "socket.io": "4.5.2",
+        "tslib": "2.4.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/nest"
+      },
+      "peerDependencies": {
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+        "@nestjs/websockets": "^9.0.0",
+        "rxjs": "^7.1.0"
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@@ -1940,6 +1961,36 @@
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+    "node_modules/@nestjs/websockets": {
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+      "resolved": "https://registry.npmjs.org/@nestjs/websockets/-/websockets-9.1.4.tgz",
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+        "object-hash": "3.0.0",
+        "tslib": "2.4.0"
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+        "@nestjs/core": "^9.0.0",
+        "@nestjs/platform-socket.io": "^9.0.0",
+        "reflect-metadata": "^0.1.12",
+        "rxjs": "^7.1.0"
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+      "peerDependenciesMeta": {
+        "@nestjs/platform-socket.io": {
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+        }
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+    "node_modules/@nestjs/websockets/node_modules/object-hash": {
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+      "resolved": "https://registry.npmjs.org/object-hash/-/object-hash-3.0.0.tgz",
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+      "engines": {
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@@ -2031,6 +2082,11 @@
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+      "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.0.tgz",
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@@ -2120,12 +2176,22 @@
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+      "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz",
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+    "node_modules/@types/cors": {
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+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.12.tgz",
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-      "dev": true
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@@ -3023,6 +3078,14 @@
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+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
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+      "engines": {
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@@ -3957,6 +4020,42 @@
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+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.2.0.tgz",
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+        "@types/cors": "^2.8.12",
+        "@types/node": ">=10.0.0",
+        "accepts": "~1.3.4",
+        "base64id": "2.0.0",
+        "cookie": "~0.4.1",
+        "cors": "~2.8.5",
+        "debug": "~4.3.1",
+        "engine.io-parser": "~5.0.3",
+        "ws": "~8.2.3"
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+      "engines": {
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+    "node_modules/engine.io/node_modules/cookie": {
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+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
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@@ -10191,6 +10283,39 @@
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+    "node_modules/socket.io": {
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+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.5.2.tgz",
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+        "base64id": "~2.0.0",
+        "debug": "~4.3.2",
+        "engine.io": "~6.2.0",
+        "socket.io-adapter": "~2.4.0",
+        "socket.io-parser": "~4.2.0"
+      },
+      "engines": {
+        "node": ">=10.0.0"
+      }
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+    "node_modules/socket.io-adapter": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.4.0.tgz",
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+    "node_modules/socket.io-parser": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.1.tgz",
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@@ -11475,6 +11542,26 @@
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+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.2.3.tgz",
+      "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA==",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
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@@ -12854,8 +12941,7 @@
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-      "requires": {}
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@@ -12876,6 +12962,15 @@
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+    "@nestjs/platform-socket.io": {
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+      "resolved": "https://registry.npmjs.org/@nestjs/platform-socket.io/-/platform-socket.io-9.1.4.tgz",
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@@ -13001,6 +13096,23 @@
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+      "resolved": "https://registry.npmjs.org/@nestjs/websockets/-/websockets-9.1.4.tgz",
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+      "requires": {
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+        "object-hash": "3.0.0",
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@@ -13072,6 +13184,11 @@
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@@ -13161,12 +13278,22 @@
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+    "@types/cors": {
+      "version": "2.8.12",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.12.tgz",
+      "integrity": "sha512-vt+kDhq/M2ayberEtJcIN/hxXy1Pk+59g2FV/ZQceeaTyCtCucjL2Q7FXlFjtWn4n15KCr1NE2lNNFhp0lEThw=="
+    },
     "@types/eslint": {
       "version": "8.4.6",
       "resolved": "https://registry.npmjs.org/@types/eslint/-/eslint-8.4.6.tgz",
@@ -13280,8 +13407,7 @@
     "@types/node": {
       "version": "16.11.56",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.56.tgz",
-      "integrity": "sha512-aFcUkv7EddxxOa/9f74DINReQ/celqH8DiB3fRYgVDM2Xm5QJL8sl80QKuAnGvwAsMn+H3IFA6WCrQh1CY7m1A==",
-      "dev": true
+      "integrity": "sha512-aFcUkv7EddxxOa/9f74DINReQ/celqH8DiB3fRYgVDM2Xm5QJL8sl80QKuAnGvwAsMn+H3IFA6WCrQh1CY7m1A=="
     },
     "@types/parse-json": {
       "version": "4.0.0",
@@ -13631,20 +13757,11 @@
       "integrity": "sha512-QOxyigPVrpZ2GXT+PFyZTl6TtOFc5egxHIP9IlQ+RbupQuX4RkT/Bee4/kQuC02Xkzg84JcT7oLYtDIQxp+v7w==",
       "dev": true
     },
-    "acorn-import-assertions": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/acorn-import-assertions/-/acorn-import-assertions-1.8.0.tgz",
-      "integrity": "sha512-m7VZ3jwz4eK6A4Vtt8Ew1/mNbP24u0FhdyfA7fSvnJR6LMdfOYnmuIrrJAgrYfYJ10F/otaHTtrtrtmHdMNzEw==",
-      "dev": true,
-      "peer": true,
-      "requires": {}
-    },
     "acorn-jsx": {
       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.2.tgz",
       "integrity": "sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==",
-      "dev": true,
-      "requires": {}
+      "dev": true
     },
     "acorn-walk": {
       "version": "8.2.0",
@@ -13874,6 +13991,11 @@
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
       "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
     },
+    "base64id": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
+    },
     "binary-extensions": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
@@ -14594,6 +14716,35 @@
         "once": "^1.4.0"
       }
     },
+    "engine.io": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.2.0.tgz",
+      "integrity": "sha512-4KzwW3F3bk+KlzSOY57fj/Jx6LyRQ1nbcyIadehl+AnXjKT7gDO0ORdRi/84ixvMKTym6ZKuxvbzN62HDDU1Lg==",
+      "requires": {
+        "@types/cookie": "^0.4.1",
+        "@types/cors": "^2.8.12",
+        "@types/node": ">=10.0.0",
+        "accepts": "~1.3.4",
+        "base64id": "2.0.0",
+        "cookie": "~0.4.1",
+        "cors": "~2.8.5",
+        "debug": "~4.3.1",
+        "engine.io-parser": "~5.0.3",
+        "ws": "~8.2.3"
+      },
+      "dependencies": {
+        "cookie": {
+          "version": "0.4.2",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
+          "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA=="
+        }
+      }
+    },
+    "engine.io-parser": {
+      "version": "5.0.4",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.0.4.tgz",
+      "integrity": "sha512-+nVFp+5z1E3HcToEnO7ZIj3g+3k9389DvWtvJZz0T6/eOCPIyyxehFcedoYrZQrp0LgQbD9pPXhpMBKMd5QURg=="
+    },
     "enhanced-resolve": {
       "version": "5.10.0",
       "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.10.0.tgz",
@@ -14613,13 +14764,6 @@
         "is-arrayish": "^0.2.1"
       }
     },
-    "es-module-lexer": {
-      "version": "0.9.3",
-      "resolved": "https://registry.npmjs.org/es-module-lexer/-/es-module-lexer-0.9.3.tgz",
-      "integrity": "sha512-1HQ2M2sPtxwnvOvT1ZClHyQDiggdNjURWpY2we6aMKCQiUVxTmVs2UYPLIrD84sS+kMdUwfBSylbJPwNnBrnHQ==",
-      "dev": true,
-      "peer": true
-    },
     "escalade": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
@@ -14742,8 +14886,7 @@
       "version": "8.5.0",
       "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-8.5.0.tgz",
       "integrity": "sha512-obmWKLUNCnhtQRKc+tmnYuQl0pFU1ibYJQ5BGhTVB08bHe9wC8qUeG7c08dj9XX+AuPj1YSGSQIHl1pnDHZR0Q==",
-      "dev": true,
-      "requires": {}
+      "dev": true
     },
     "eslint-plugin-prettier": {
       "version": "4.2.1",
@@ -15168,8 +15311,7 @@
           "version": "3.5.2",
           "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.5.2.tgz",
           "integrity": "sha512-5p6WTN0DdTGVQk6VjcEju19IgaHudalcfabD7yhDGeA6bcQnmL+CpveLJq/3hvfwd1aof6L386Ougkx6RfyMIQ==",
-          "dev": true,
-          "requires": {}
+          "dev": true
         },
         "chalk": {
           "version": "4.1.2",
@@ -16046,8 +16188,7 @@
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/jest-pnp-resolver/-/jest-pnp-resolver-1.2.2.tgz",
       "integrity": "sha512-olV41bKSMm8BdnuMsewT4jqlZ8+3TCARAXjZGT9jcoSnrfUnRCqnMoF9XEeoWjbzObpqF9dRhHQj0Xb9QdF6/w==",
-      "dev": true,
-      "requires": {}
+      "dev": true
     },
     "jest-regex-util": {
       "version": "28.0.2",
@@ -18937,8 +19078,7 @@
           "version": "3.5.2",
           "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.5.2.tgz",
           "integrity": "sha512-5p6WTN0DdTGVQk6VjcEju19IgaHudalcfabD7yhDGeA6bcQnmL+CpveLJq/3hvfwd1aof6L386Ougkx6RfyMIQ==",
-          "dev": true,
-          "requires": {}
+          "dev": true
         },
         "json-schema-traverse": {
           "version": "0.4.1",
@@ -19093,6 +19233,33 @@
       "integrity": "sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==",
       "dev": true
     },
+    "socket.io": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.5.2.tgz",
+      "integrity": "sha512-6fCnk4ARMPZN448+SQcnn1u8OHUC72puJcNtSgg2xS34Cu7br1gQ09YKkO1PFfDn/wyUE9ZgMAwosJed003+NQ==",
+      "requires": {
+        "accepts": "~1.3.4",
+        "base64id": "~2.0.0",
+        "debug": "~4.3.2",
+        "engine.io": "~6.2.0",
+        "socket.io-adapter": "~2.4.0",
+        "socket.io-parser": "~4.2.0"
+      }
+    },
+    "socket.io-adapter": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.4.0.tgz",
+      "integrity": "sha512-W4N+o69rkMEGVuk2D/cvca3uYsvGlMwsySWV447y99gUPghxq42BxqLNMndb+a1mm/5/7NeXVQS7RLa2XyXvYg=="
+    },
+    "socket.io-parser": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.1.tgz",
+      "integrity": "sha512-V4GrkLy+HeF1F/en3SpUaM+7XxYXpuMUWLGde1kSSh5nQMN4hLrbPIkD+otwh6q9R6NOQBN4AMaOZ2zVjui82g==",
+      "requires": {
+        "@socket.io/component-emitter": "~3.1.0",
+        "debug": "~4.3.1"
+      }
+    },
     "source-list-map": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/source-list-map/-/source-list-map-2.0.1.tgz",
@@ -19822,52 +19989,12 @@
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
       "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
     },
-    "webpack": {
-      "version": "5.74.0",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.74.0.tgz",
-      "integrity": "sha512-A2InDwnhhGN4LYctJj6M1JEaGL7Luj6LOmyBHjcI8529cm5p6VXiTIW2sn6ffvEAKmveLzvu4jrihwXtPojlAA==",
-      "dev": true,
-      "peer": true,
-      "requires": {
-        "@types/eslint-scope": "^3.7.3",
-        "@types/estree": "^0.0.51",
-        "@webassemblyjs/ast": "1.11.1",
-        "@webassemblyjs/wasm-edit": "1.11.1",
-        "@webassemblyjs/wasm-parser": "1.11.1",
-        "acorn": "^8.7.1",
-        "acorn-import-assertions": "^1.7.6",
-        "browserslist": "^4.14.5",
-        "chrome-trace-event": "^1.0.2",
-        "enhanced-resolve": "^5.10.0",
-        "es-module-lexer": "^0.9.0",
-        "eslint-scope": "5.1.1",
-        "events": "^3.2.0",
-        "glob-to-regexp": "^0.4.1",
-        "graceful-fs": "^4.2.9",
-        "json-parse-even-better-errors": "^2.3.1",
-        "loader-runner": "^4.2.0",
-        "mime-types": "^2.1.27",
-        "neo-async": "^2.6.2",
-        "schema-utils": "^3.1.0",
-        "tapable": "^2.1.1",
-        "terser-webpack-plugin": "^5.1.3",
-        "watchpack": "^2.4.0",
-        "webpack-sources": "^3.2.3"
-      }
-    },
     "webpack-node-externals": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/webpack-node-externals/-/webpack-node-externals-3.0.0.tgz",
       "integrity": "sha512-LnL6Z3GGDPht/AigwRh2dvL9PQPFQ8skEpVrWZXLWBYmqcaojHNN0onvHzie6rq7EWKrrBfPYqNEzTJgiwEQDQ==",
       "dev": true
     },
-    "webpack-sources": {
-      "version": "3.2.3",
-      "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-3.2.3.tgz",
-      "integrity": "sha512-/DyMEOrDgLKKIG0fmvtz+4dUX/3Ghozwgm6iPp8KRhvn+eQf9+Q7GWxVNMk3+uCPWfdXYC4ExGBckIXdFEfH1w==",
-      "dev": true,
-      "peer": true
-    },
     "whatwg-url": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
@@ -19960,6 +20087,11 @@
         "signal-exit": "^3.0.7"
       }
     },
+    "ws": {
+      "version": "8.2.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.2.3.tgz",
+      "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA=="
+    },
     "xml2js": {
       "version": "0.4.23",
       "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.23.tgz",
diff --git a/main-project/package.json b/main-project/package.json
index cf5dab13..60c9d949 100644
--- a/main-project/package.json
+++ b/main-project/package.json
@@ -25,8 +25,10 @@
     "@nestjs/config": "^2.2.0",
     "@nestjs/core": "^8.0.0",
     "@nestjs/platform-express": "^8.0.0",
+    "@nestjs/platform-socket.io": "^9.1.4",
     "@nestjs/swagger": "^5.2.0",
     "@nestjs/typeorm": "^8.0.3",
+    "@nestjs/websockets": "^9.1.4",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.13.2",
     "mysql2": "^2.3.3",
@@ -34,6 +36,7 @@
     "reflect-metadata": "^0.1.13",
     "rimraf": "^3.0.2",
     "rxjs": "^7.2.0",
+    "socket.io": "^4.5.2",
     "swagger-ui-express": "^4.3.0",
     "typeorm": "^0.2.45"
   },
diff --git a/main-project/src/app.module.ts b/main-project/src/app.module.ts
index 4324ea9e..3dfe4d7d 100644
--- a/main-project/src/app.module.ts
+++ b/main-project/src/app.module.ts
@@ -14,6 +14,7 @@ import { AnnouncementsModule } from './announcements/announcements.module';
 import { FriendsModule } from './friends/friends.module';
 import { UniversitiesModule } from './universities/universities.module';
 import { EnquiriesModule } from './enquiries/enquiries.module';
+import { ChatsModule } from './chats/chats.module';
 
 @Module({
   imports: [
@@ -29,6 +30,7 @@ import { EnquiriesModule } from './enquiries/enquiries.module';
     FriendsModule,
     UniversitiesModule,
     EnquiriesModule,
+    ChatsModule,
   ],
   controllers: [AppController],
   providers: [AppService],
diff --git a/main-project/src/chats/chats.gateway.ts b/main-project/src/chats/chats.gateway.ts
new file mode 100644
index 00000000..1bb68a63
--- /dev/null
+++ b/main-project/src/chats/chats.gateway.ts
@@ -0,0 +1,31 @@
+import { Logger } from '@nestjs/common';
+import {
+  ConnectedSocket,
+  MessageBody,
+  SubscribeMessage,
+  WebSocketGateway,
+  WebSocketServer,
+} from '@nestjs/websockets';
+import { Server } from 'http';
+import { Socket } from 'socket.io';
+
+@WebSocketGateway(4000, { transports: ['websocket'] })
+export class ChatsGateway {
+  private logger = new Logger('GateWay');
+  @WebSocketServer()
+  server: Server;
+
+  handleConnection(@ConnectedSocket() socket: Socket) {
+    this.logger.log(`${socket.id} 소켓연결`);
+  }
+
+  handleDisconnect(@ConnectedSocket() socket: Socket) {
+    this.logger.log(`${socket.id} 소켓연결 해제`);
+  }
+
+  @SubscribeMessage('ClientToServer')
+  async handelMessage(@MessageBody() message) {
+    this.server.emit('ServerToClient', message);
+    console.log(message);
+  }
+}
diff --git a/main-project/src/chats/chats.module.ts b/main-project/src/chats/chats.module.ts
new file mode 100644
index 00000000..bc3514ba
--- /dev/null
+++ b/main-project/src/chats/chats.module.ts
@@ -0,0 +1,7 @@
+import { Module } from '@nestjs/common';
+import { ChatsGateway } from './chats.gateway';
+
+@Module({
+  providers: [ChatsGateway],
+})
+export class ChatsModule {}