diff --git a/src/main/java/com/example/lcf/LcfMappingRules.java b/src/main/java/com/example/lcf/LcfMappingRules.java
new file mode 100644
index 0000000..fca8f56
--- /dev/null
+++ b/src/main/java/com/example/lcf/LcfMappingRules.java
@@ -0,0 +1,40 @@
+package com.example.lcf;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.transaction.annotation.Transactional;
+
+public class LcfMappingRules {
+    private static final Logger logger = LoggerFactory.getLogger(LcfMappingRules.class);
+
+    public void lcfTry(Runnable action) {
+        try {
+            action.run();
+        } catch (Exception e) {
+            lcfSetErr(e);
+        }
+    }
+
+    public void lcfSetErr(Exception e) {
+        logger.error("Error occurred: ", e);
+        // 추가적인 에러 처리 로직
+    }
+
+    public void lcfLog(String message) {
+        logger.info(message);
+    }
+
+    @Transactional
+    public void batchCommit(Runnable batchAction) {
+        try {
+            batchAction.run();
+        } catch (Exception e) {
+            // 롤백 처리
+            throw e;
+        }
+    }
+
+    public double performDecimalOperation(double a, double b) {
+        return a + b; // 예시로 덧셈을 수행
+    }
+}