diff --git a/oop-in-spring/practice/solid/srp/after/Data.java b/oop-in-spring/practice/solid/srp/after/Data.java
new file mode 100644
index 000000000..611d8b0c8
--- /dev/null
+++ b/oop-in-spring/practice/solid/srp/after/Data.java
@@ -0,0 +1,3 @@
+public class Data {
+    String someProperty;
+}
\ No newline at end of file
diff --git a/oop-in-spring/practice/solid/srp/after/DataDisplayer.java b/oop-in-spring/practice/solid/srp/after/DataDisplayer.java
new file mode 100644
index 000000000..4036907e2
--- /dev/null
+++ b/oop-in-spring/practice/solid/srp/after/DataDisplayer.java
@@ -0,0 +1,6 @@
+public class DataDisplayer {
+    public void display() {
+        Data data = loadHtml();
+        updateGui(data);
+    }
+}
\ No newline at end of file
diff --git a/oop-in-spring/practice/solid/srp/after/DataLoader.java b/oop-in-spring/practice/solid/srp/after/DataLoader.java
new file mode 100644
index 000000000..11a500ba3
--- /dev/null
+++ b/oop-in-spring/practice/solid/srp/after/DataLoader.java
@@ -0,0 +1,16 @@
+public class DataLoader {
+    public Data loadHtml() {
+        HttpClient client = new HttpClient();
+        client.connect(url);
+        return client.getResponse();
+    }
+
+    private void updateGui(Data data) {
+        GuiData guiModel = parseDataToGuiData(data);
+        tableUI.changeData(guiModel);
+    }
+
+    private GuiData parseDataToGuiData(Data data) {
+        // ... 파싱 처리 코듸
+    }
+}
\ No newline at end of file
diff --git a/oop-in-spring/practice/solid/srp/before/DataViewer.java b/oop-in-spring/practice/solid/srp/before/DataViewer.java
new file mode 100644
index 000000000..fb327fc19
--- /dev/null
+++ b/oop-in-spring/practice/solid/srp/before/DataViewer.java
@@ -0,0 +1,24 @@
+public class DataViewer {
+
+    public void display() {
+        byte[] data = loadHtml();
+        updateGui(data);
+    }
+    
+    public byte[] loadHtml() {
+        SocketClient client = new SocketClient();
+        client.connect(server, port);
+        return client.read();
+    }
+    
+    private void updateGui(byte[] data) {
+        GuiData guiModel = parseDataToGuiData(data);
+        tableUI.changeData(guiModel);
+    }
+    
+    private GuiData parseDataToGuiData(byte[] data) {
+        // ... 파싱 처리 코듸
+    }
+    
+    // 기타 코드
+}