diff --git a/py/IP比对.py b/py/IP比对.py
new file mode 100644
index 0000000..2a2af0b
--- /dev/null
+++ b/py/IP比对.py
@@ -0,0 +1,47 @@
+import re
+
+def compare_and_write_uniques(file1_path, file2_path, output_path):
+    # 正则表达式模式，用于匹配IP地址和域名
+    ip_pattern = r'\b(?:\d{1,3}\.){3}\d{1,3}\b'
+    domain_pattern = r'\b(?:[a-zA-Z0-9-]+\.)+[a-zA-Z]{2,}\b'
+
+    # 用于存储第二个文件中的IP地址和域名集合
+    file2_ips_and_domains = set()
+
+    # 读取第二个文件，提取IP地址和域名并添加到集合
+    with open(file2_path, 'r', encoding='utf-8') as file2:
+        content2 = file2.read()
+        # 查找IP地址并添加到集合
+        ips = re.findall(ip_pattern, content2)
+        file2_ips_and_domains.update(ips)
+        # 查找域名并添加到集合
+        domains = re.findall(domain_pattern, content2)
+        file2_ips_and_domains.update(domains)
+
+    # 用于存储要写入新文件的独特IP地址和域名
+    unique_ips_and_domains = set()
+
+    # 读取第一个文件，检查IP地址和域名是否在第二个文件集合中不存在
+    with open(file1_path, 'r', encoding='utf-8') as file1:
+        content1 = file1.read()
+        # 查找IP地址
+        ips_in_file1 = re.findall(ip_pattern, content1)
+        for ip in ips_in_file1:
+            if ip not in file2_ips_and_domains:
+                unique_ips_and_domains.add(ip)
+        # 查找域名
+        domains_in_file1 = re.findall(domain_pattern, content1)
+        for domain in domains_in_file1:
+            if domain not in file2_ips_and:
+                unique_ips_and_domains.add(domain)
+
+    # 将独特的IP地址和域名写入新文件
+    with open(output_path, 'w', encoding='utf-8') as output_file:
+        for item in unique_ips_and_domains:
+            output_file.write(item + '\n')
+
+# 示例用法
+file1_path = '无效IP.txt'
+file2_path = '网络收集.txt'
+output_path = '无效IP.txt'
+compare_and_write_uniques(file1_path, file2_path, output_path)