diff --git a/src/components/atoms/chatting/SendChat.tsx b/src/components/atoms/chatting/SendChat.tsx
index d44f1f4c..31c51752 100644
--- a/src/components/atoms/chatting/SendChat.tsx
+++ b/src/components/atoms/chatting/SendChat.tsx
@@ -1,4 +1,4 @@
-import React, { useState } from 'react';
+import React, { useState, useRef } from 'react';
 import styled from 'styled-components';
 import { ReactComponent as MessageSend } from '../../../assets/svg/MessageSend.svg';
 import roomSocket from '../../../adapters/roomSocket';
@@ -13,16 +13,28 @@ export default function SendChat({
 }) {
   const [newMessage, setNewMessage] = useState('');
   const newSocket = roomId === 'lobby' ? lobbySocket.socket : roomSocket.socket;
+  const inputRef = useRef(null);
 
-  const onMessageChange = (event: React.ChangeEvent<HTMLInputElement>) => {
+  const onMessageChange = (event: React.ChangeEvent<HTMLTextAreaElement>) => {
     event.preventDefault();
     setNewMessage(() => event.target.value);
+    autoGrow();
+  };
+
+  const autoGrow = () => {
+    if (inputRef.current) {
+      inputRef.current.style.height = '2rem';
+      inputRef.current.style.height = inputRef.current.scrollHeight
+        .toString()
+        .concat('px');
+    }
   };
 
   const onSubmit = (
-    event: React.FormEvent<HTMLFormElement> | React.KeyboardEvent,
+    event: React.FormEvent<HTMLFormElement> | KeyboardEvent,
   ) => {
     event.preventDefault();
+    // console.log('new 메세지 : ', newMessage);
     if (newMessage.trim() === '') return;
     newSocket.emit('chatMessage', {
       room: roomId,
@@ -30,8 +42,17 @@ export default function SendChat({
       message: newMessage,
       createdAt: new Date(),
     });
-
     setNewMessage('');
+    if (inputRef.current) {
+      inputRef.current.style.height = '2rem';
+    }
+  };
+
+  const onKeyDown = (event) => {
+    if (event.key === 'Enter') {
+      event.preventDefault();
+      onSubmit(event);
+    }
   };
 
   return (
@@ -39,8 +60,11 @@ export default function SendChat({
       <Input
         placeholder="Write your message...."
         value={newMessage}
-        onChange={onMessageChange}
         roomId={roomId}
+        ref={inputRef}
+        rows={1}
+        onChange={onMessageChange}
+        onKeyDown={onKeyDown}
       />
       <Button>
         <MessageSend />
@@ -60,13 +84,18 @@ const SubmitMessage = styled.form<{ roomId: string }>`
   z-index: 999;
 `;
 
-const Input = styled.input<{ roomId: string }>`
+const Input = styled.textarea<{ roomId: string }>`
   width: calc(100% - 2.7rem);
   font-size: 1.3rem;
   background-color: ${(props) =>
     props.roomId !== 'lobby' ? ({ theme }) => theme.input : '#313540'};
   font-family: IBMPlexSansKRRegular;
   color: rgba(255, 255, 255, 1);
+  min-height: 2rem;
+  max-height: 13rem;
+  ::-webkit-scrollbar {
+    width: 0.3rem;
+  }
 
   &:focus {
     outline: none;