diff --git a/APP_Framework/Applications/app_test/test_radix_tree/test_radix_tree.h b/APP_Framework/Applications/app_test/test_radix_tree/test_radix_tree.h
new file mode 100644
index 000000000..6c5a2583e
--- /dev/null
+++ b/APP_Framework/Applications/app_test/test_radix_tree/test_radix_tree.h
@@ -0,0 +1,22 @@
+#ifndef TRANSFORM_H
+#define TRANSFORM_H
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#define ALPHABET_SIZE 26
+
+typedef struct TrieNode {
+    bool isEndOfWord;
+    struct TrieNode* children[ALPHABET_SIZE];
+} TrieNode;
+
+TrieNode* createNode();
+void insert(TrieNode* root, const char* word);
+bool search(TrieNode* root, const char* word);
+void freeTrie(TrieNode* node);
+void TestRadixTree(void);
+
+#endif