diff --git a/src/main/java/com/example/demo/exception/GlobalExceptionHandler.java b/src/main/java/com/example/demo/exception/GlobalExceptionHandler.java
new file mode 100644
index 0000000..17c1c7f
--- /dev/null
+++ b/src/main/java/com/example/demo/exception/GlobalExceptionHandler.java
@@ -0,0 +1,22 @@
+package com.example.demo.exception;
+
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+@ControllerAdvice
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(Exception.class)
+    public String handleException(
+            Exception e,
+            Model model) {
+
+        model.addAttribute(
+                "errorMessage",
+                "システムエラーが発生しました。"
+                + "初めからやり直してください。");
+
+        return "error";
+    }
+}