1. You can report complaints to this website. For example, if you encounter a liar on Baidu, you can report it to Baidu website.

You can call the police. For example, you can call 1 10 if you encounter a liar.

3. If fraudsters under the jurisdiction of a certain department are involved, they can also report to the administrative organ. For example, if they buy fakes, they can report them to the industrial and commercial department.