diff --git a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatmember/dto/response/ChatMemberResponse.java b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatmember/dto/response/ChatMemberResponse.java
new file mode 100644
index 0000000..74f0bda
--- /dev/null
+++ b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatmember/dto/response/ChatMemberResponse.java
@@ -0,0 +1,22 @@
+package com.tadak.chatroomservice.domain.chatmember.dto.response;
+
+import com.tadak.chatroomservice.domain.chatmember.entity.ChatMember;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class ChatMemberResponse {
+
+    private String username;
+
+    public static ChatMemberResponse from(ChatMember chatMember){
+        return ChatMemberResponse.builder()
+                .username(chatMember.getUsername())
+                .build();
+    }
+}
diff --git a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/controller/ChatRoomController.java b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/controller/ChatRoomController.java
index dc8cf82..4686038 100644
--- a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/controller/ChatRoomController.java
+++ b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/controller/ChatRoomController.java
@@ -2,12 +2,9 @@
 
 import com.tadak.chatroomservice.domain.chatmember.dto.response.EnterChatMemberResponse;
 import com.tadak.chatroomservice.domain.chatroom.dto.request.ChatRoomRequest;
-import com.tadak.chatroomservice.domain.chatroom.dto.response.ChangeOwnerResponse;
-import com.tadak.chatroomservice.domain.chatroom.dto.response.ChatRoomResponse;
-import com.tadak.chatroomservice.domain.chatroom.dto.response.KickMemberResponse;
+import com.tadak.chatroomservice.domain.chatroom.dto.response.*;
 import com.tadak.chatroomservice.domain.chatroom.service.ChatRoomService;
 import com.tadak.chatroomservice.domain.chatroom.dto.request.CreateChatroomRequest;
-import com.tadak.chatroomservice.domain.chatroom.dto.response.CreateChatroomResponse;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
@@ -80,4 +77,13 @@ public ResponseEntity<ChangeOwnerResponse> changeOwner(@PathVariable Long roomId
         ChangeOwnerResponse changeOwnerResponse = chatRoomService.changeOwner(roomId, username, chatRoomRequest.getUsername());
         return ResponseEntity.status(HttpStatus.OK).body(changeOwnerResponse);
     }
+
+    /**
+     * 개별 방 조회
+     */
+    @GetMapping("/rooms/{roomId}")
+    public ResponseEntity<OneChatRoomResponse> getChatRoom(@PathVariable Long roomId){
+        OneChatRoomResponse getChatRoom = chatRoomService.findChatRoom(roomId);
+        return ResponseEntity.status(HttpStatus.OK).body(getChatRoom);
+    }
 }
diff --git a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/request/CreateChatroomRequest.java b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/request/CreateChatroomRequest.java
index afa1bbf..fae24d1 100644
--- a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/request/CreateChatroomRequest.java
+++ b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/request/CreateChatroomRequest.java
@@ -14,6 +14,6 @@ public class CreateChatroomRequest {
     private String roomName;
     private String description;
     private String owner;
-    private String category;
+    private String hashtag;
     private Integer capacity;
 }
diff --git a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/response/CreateChatroomResponse.java b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/response/CreateChatroomResponse.java
index 1d985e5..7bdbc53 100644
--- a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/response/CreateChatroomResponse.java
+++ b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/response/CreateChatroomResponse.java
@@ -15,7 +15,7 @@ public class CreateChatroomResponse {
     private String roomName;
     private String description;
     private String owner;
-    private String category;
+    private String hashtag;
     private Integer participation;
     private Integer capacity;
     private EnterChatMemberResponse chatMemberResponse;
@@ -27,7 +27,7 @@ public static CreateChatroomResponse of(ChatRoom chatRoom, EnterChatMemberRespon
                 .roomName(chatRoom.getRoomName())
                 .description(chatRoom.getDescription())
                 .owner(chatRoom.getOwner())
-                .category(chatRoom.getCategory())
+                .hashtag(chatRoom.getHashtag())
                 .participation(chatRoom.getParticipation())
                 .capacity(chatRoom.getCapacity())
                 .chatMemberResponse(chatMemberResponse)
diff --git a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/response/OneChatRoomResponse.java b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/response/OneChatRoomResponse.java
new file mode 100644
index 0000000..2d85a52
--- /dev/null
+++ b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/dto/response/OneChatRoomResponse.java
@@ -0,0 +1,31 @@
+package com.tadak.chatroomservice.domain.chatroom.dto.response;
+
+import com.tadak.chatroomservice.domain.chatmember.dto.response.ChatMemberResponse;
+import com.tadak.chatroomservice.domain.chatroom.entity.ChatRoom;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Getter
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class OneChatRoomResponse {
+
+    private String roomName;
+    private Integer participation;
+    private String owner;
+    private List<ChatMemberResponse> chatMemberResponses;
+
+    public static OneChatRoomResponse of(ChatRoom chatRoom, List<ChatMemberResponse> chatMemberResponses){
+        return OneChatRoomResponse.builder()
+                .roomName(chatRoom.getRoomName())
+                .participation(chatRoom.getParticipation())
+                .owner(chatRoom.getOwner())
+                .chatMemberResponses(chatMemberResponses)
+                .build();
+    }
+}
diff --git a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/entity/ChatRoom.java b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/entity/ChatRoom.java
index d7cfd2f..9dd88b1 100644
--- a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/entity/ChatRoom.java
+++ b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/entity/ChatRoom.java
@@ -38,7 +38,7 @@ public class ChatRoom {
     private String owner;
     @NotNull
     @Size(max = 10, message = "카테고리 글자는 10자를 넘길 수 없습니다.")
-    private String category;
+    private String hashtag;
     @NotNull
     private Integer participation;
     @NotNull
@@ -58,7 +58,7 @@ public static ChatRoom toEntity(CreateChatroomRequest chatroomRequest){
                 .roomName(chatroomRequest.getRoomName())
                 .description(chatroomRequest.getDescription())
                 .owner(chatroomRequest.getOwner())
-                .category(chatroomRequest.getCategory())
+                .hashtag(chatroomRequest.getHashtag())
                 .participation(DEFAULT_PARTICIPATION)
                 .capacity(chatroomRequest.getCapacity())
                 .build();
diff --git a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/service/ChatRoomService.java b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/service/ChatRoomService.java
index 59f7ab6..072fd98 100644
--- a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/service/ChatRoomService.java
+++ b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/domain/chatroom/service/ChatRoomService.java
@@ -1,18 +1,16 @@
 package com.tadak.chatroomservice.domain.chatroom.service;
 
+import com.tadak.chatroomservice.domain.chatmember.dto.response.ChatMemberResponse;
 import com.tadak.chatroomservice.domain.chatmember.dto.response.EnterChatMemberResponse;
 import com.tadak.chatroomservice.domain.chatmember.entity.ChatMember;
 import com.tadak.chatroomservice.domain.chatmember.service.ChatMemberService;
 import com.tadak.chatroomservice.domain.chatroom.dto.request.ChatRoomRequest;
-import com.tadak.chatroomservice.domain.chatroom.dto.response.ChangeOwnerResponse;
-import com.tadak.chatroomservice.domain.chatroom.dto.response.ChatRoomResponse;
-import com.tadak.chatroomservice.domain.chatroom.dto.response.KickMemberResponse;
+import com.tadak.chatroomservice.domain.chatroom.dto.response.*;
 import com.tadak.chatroomservice.domain.chatroom.exception.AlreadyKickedException;
 import com.tadak.chatroomservice.domain.chatroom.exception.NotFoundChatRoomException;
 import com.tadak.chatroomservice.domain.chatroom.exception.NotRoomOwnerException;
 import com.tadak.chatroomservice.domain.chatroom.repository.ChatRoomRepository;
 import com.tadak.chatroomservice.domain.chatroom.dto.request.CreateChatroomRequest;
-import com.tadak.chatroomservice.domain.chatroom.dto.response.CreateChatroomResponse;
 import com.tadak.chatroomservice.domain.chatroom.entity.ChatRoom;
 import com.tadak.chatroomservice.global.error.ErrorCode;
 import lombok.RequiredArgsConstructor;
@@ -127,4 +125,13 @@ public ChangeOwnerResponse changeOwner(Long roomId, String username, String owne
 
         return ChangeOwnerResponse.from(chatRoom);
     }
+
+    public OneChatRoomResponse findChatRoom(Long roomId) {
+        ChatRoom chatRoom = findByChatRoom(roomId);
+
+        List<ChatMemberResponse> chatMemberResponses = chatRoom.getChatMembers().stream()
+                .map(ChatMemberResponse::from).toList();
+
+        return OneChatRoomResponse.of(chatRoom, chatMemberResponses);
+    }
 }
diff --git a/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/global/config/CorsConfig.java b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/global/config/CorsConfig.java
new file mode 100644
index 0000000..c43bd7d
--- /dev/null
+++ b/backend/chatroom-service/src/main/java/com/tadak/chatroomservice/global/config/CorsConfig.java
@@ -0,0 +1,25 @@
+package com.tadak.chatroomservice.global.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+import org.springframework.web.filter.CorsFilter;
+
+@Configuration
+public class CorsConfig {
+    @Bean
+    public CorsFilter corsFilter() {
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        CorsConfiguration config = new CorsConfiguration();
+        config.setAllowCredentials(true);
+        config.addAllowedOriginPattern("*");
+        config.addAllowedHeader("*");
+        config.addAllowedMethod("*");
+        config.addExposedHeader("Accesstoken, Refreshtoken");
+
+        source.registerCorsConfiguration("/**", config);
+        return new CorsFilter(source);
+    }
+}
+