diff --git a/HomeCafeRecipes/HomeCafeRecipes/Data/Network/NetworkService.swift b/HomeCafeRecipes/HomeCafeRecipes/Data/Network/NetworkService.swift
index 47a0f82..3c233e8 100644
--- a/HomeCafeRecipes/HomeCafeRecipes/Data/Network/NetworkService.swift
+++ b/HomeCafeRecipes/HomeCafeRecipes/Data/Network/NetworkService.swift
@@ -16,59 +16,9 @@ protocol NetworkService {
     func postJsonRequest<T: Decodable>(url: URL, parameters:[String: Any], responseType: T.Type) -> Single<T>
 }
 
-class BaseNetworkService: NetworkService {
-    
-    func getRequest<T: Decodable>(url: URL, responseType: T.Type) -> Single<T> {
-        var request = URLRequest(url: url)
-        request.httpMethod = "GET"
-        return Single.create { single in
-            let task = URLSession.shared.dataTask(with: request) { data, response, error in
-                if let error = error {
-                    single(.failure(error))
-                } else if let data = data {
-                    do {
-                        let decoder = JSONDecoder()
-                        decoder.dateDecodingStrategy = .iso8601
-                        let responseObject = try decoder.decode(T.self, from: data)
-                        single(.success(responseObject))
-                    } catch let decodingError {
-                        single(.failure(decodingError))
-                    }
-                }
-            }
-            task.resume()
-            
-            return Disposables.create {
-                task.cancel()
-            }
-        }
-    }
-    
-    func postRequest<T: Decodable>(
-        url: URL, parameters: [String: Any],
-        imageDatas: [Data],
-        responseType: T.Type
-    )    -> Single<T> {
+final class BaseNetworkService: NetworkService {
+    private func createRequest<T: Decodable>(with request: URLRequest, responseType: T.Type) -> Single<T> {
         return Single.create { single in
-            var formDataRequest = MultipartFormDataRequest(url: url)
-            
-            for (key, value) in parameters {
-                formDataRequest.addTextField(named: key, value: String(describing: value))
-            }
-            
-            for (index, imageData) in imageDatas.enumerated() {
-                let filename = "image\(index).jpg"
-                formDataRequest.addDataField(
-                    named: "recipeImgUrls",
-                    data: imageData,
-                    filename: filename,
-                    mimeType: "image/jpeg"
-                )
-            }
-            
-            formDataRequest.finalize()
-            let request = formDataRequest.asURLRequest()
-            
             let task = URLSession.shared.dataTask(with: request) { data, response, error in
                 if let error = error {
                     single(.failure(error))
@@ -99,52 +49,53 @@ class BaseNetworkService: NetworkService {
             }
         }
     }
+
+    func getRequest<T: Decodable>(url: URL, responseType: T.Type) -> Single<T> {
+        var request = URLRequest(url: url)
+        request.httpMethod = "GET"
+        return createRequest(with: request, responseType: responseType)
+    }
+    
+    func postRequest<T: Decodable>(
+        url: URL, parameters: [String: Any],
+        imageDatas: [Data],
+        responseType: T.Type
+    ) -> Single<T> {
+        var formDataRequest = MultipartFormDataRequest(url: url)
+        
+        for (key, value) in parameters {
+            formDataRequest.addTextField(named: key, value: String(describing: value))
+        }
+        
+        for (index, imageData) in imageDatas.enumerated() {
+            let filename = "image\(index).jpg"
+            formDataRequest.addDataField(
+                named: "recipeImgUrls",
+                data: imageData,
+                filename: filename,
+                mimeType: "image/jpeg"
+            )
+        }
+        
+        formDataRequest.finalize()
+        let request = formDataRequest.asURLRequest()
+        return createRequest(with: request, responseType: responseType)
+    }
     
     func postJsonRequest<T: Decodable>(
         url: URL,
         parameters: [String: Any],
         responseType: T.Type
     ) -> Single<T> {
-        return Single.create { single in
-            // JSON으로 변환
-            guard let httpBody = try? JSONSerialization.data(withJSONObject: parameters, options: []) else {
-                single(.failure(NSError(domain: "", code: -1, userInfo: [NSLocalizedDescriptionKey: "JSON 인코딩 실패"])))
-                return Disposables.create()
-            }
-
-            var request = URLRequest(url: url)
-            request.httpMethod = "POST"
-            request.setValue("application/json", forHTTPHeaderField: "Content-Type")
-            request.httpBody = httpBody
-
-            let task = URLSession.shared.dataTask(with: request) { data, response, error in
-                if let error = error {
-                    single(.failure(error))
-                } else if let httpResponse = response as? HTTPURLResponse, httpResponse.statusCode != 200 {
-                    let statusCode = httpResponse.statusCode
-                    let responseString = data.flatMap { String(data: $0, encoding: .utf8) } ?? "No response data"
-                    let error = NSError(
-                        domain: "",
-                        code: statusCode,
-                        userInfo: [NSLocalizedDescriptionKey: "HTTP \(statusCode): \(responseString)"]
-                    )
-                    single(.failure(error))
-                } else if let data = data {
-                    do {
-                        let decoder = JSONDecoder()
-                        decoder.dateDecodingStrategy = .iso8601
-                        let responseObject = try decoder.decode(T.self, from: data)
-                        single(.success(responseObject))
-                    } catch let decodingError {
-                        single(.failure(decodingError))
-                    }
-                }
-            }
-            task.resume()
-
-            return Disposables.create {
-                task.cancel()
-            }
+        guard let httpBody = try? JSONSerialization.data(withJSONObject: parameters, options: []) else {
+            return .error(NSError(domain: "", code: -1, userInfo: [NSLocalizedDescriptionKey: "JSON 인코딩 실패"]))
         }
+        
+        var request = URLRequest(url: url)
+        request.httpMethod = "POST"
+        request.setValue("application/json", forHTTPHeaderField: "Content-Type")
+        request.httpBody = httpBody
+        
+        return createRequest(with: request, responseType: responseType)
     }
 }