diff --git a/app/src/main/java/com/example/sprout/refactor/adapter/DiffCallback.java b/app/src/main/java/com/example/sprout/refactor/adapter/DiffCallback.java
new file mode 100644
index 0000000..aa637c3
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/adapter/DiffCallback.java
@@ -0,0 +1,38 @@
+package com.example.sprout.refactor.adapter;
+
+import android.support.v7.util.DiffUtil;
+
+import java.util.List;
+
+/**
+ * DiffUtilのCallbackの基底クラス
+ *
+ * @param <T> 差分を出すクラス
+ * @author matsumoto_k
+ */
+public abstract class DiffCallback<T> extends DiffUtil.Callback {
+    final protected List<T> oldList;
+    final protected List<T> newList;
+
+    public DiffCallback(List<T> oldList, List<T> newList) {
+        this.oldList = oldList;
+        this.newList = newList;
+    }
+
+    @Override
+    public int getOldListSize() {
+        return oldList.size();
+    }
+
+    @Override
+    public int getNewListSize() {
+        return newList.size();
+    }
+
+    @Override
+    public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
+        return oldList.get(oldItemPosition) == newList.get(newItemPosition);
+    }
+
+    public abstract Object getChangePayload(int oldItemPosition, int newItemPosition);
+}