Every citizen has the obligation to report reactionary remarks and information to the public security organs. Reporting methods mainly include telephone reporting, letter reporting and face-to-face reporting. Now that the Internet has formed a certain scale, online reporting has become a new way of reporting. Informants can report by letter, telephone, telegram, telex, etc., or come to the report center of public security organs at all levels in person, or make an appointment for the time, place and way of reporting according to the wishes of informants to accept the report.