Is it useful to call the police if a big-character poster is posted?

According to Article 42 of the "Law of the People's Republic of China on Public Security Administration Punishments", anyone who commits any of the following acts shall be detained for not more than 5 days or fined not more than 500 yuan; if the circumstances are more serious, he shall be fined not more than 500 yuan. Detention for not less than 5 days but not more than 10 days may result in a fine of not more than 500 yuan:

(2) Anyone who openly insults others or fabricates facts to slander others; it is useless and the person concerned is recommended to sue. It is illegal to post big-character posters that infringe on the reputation rights of others. Infringement of civil rights and interests shall bear tort liability. Civil rights, including rights to life, health, name, reputation, honor, and portrait.

Article 1167 of the "Civil Code" If an infringement endangers the personal or property safety of others, the infringer has the right to request the infringer to bear tort liability such as ceasing the infringement, removing obstacles, and eliminating dangers. . There is no need to know who the criminal suspect is. You can directly call the police with the defamed facts, and the public security organ will file a case for investigation. For this kind of case, it is easy for the public security organs to detect it. Posting slogans that attack others in public places has violated the provisions of Article 42 of the Public Security Administration Punishment Law and is suspected of defaming or openly insulting others. The person concerned may report the case and request the public security organ to file a case for investigation and punishment. Legal link: Article 42 of the "Public Security Administration Punishment Law" Whoever commits any of the following acts shall be detained for not more than five days or fined not more than 500 yuan; if the circumstances are more serious, he shall be detained for not less than five days but not more than ten days, and may be fined concurrently. Fines of up to five hundred yuan: (1) Writing threatening letters or threatening the personal safety of others in other ways; (2) Blatantly insulting others or fabricating facts to slander others; (3) Fabricating facts to frame others , attempting to subject others to criminal prosecution or public security management penalties; (4) Threatening, insulting, beating or retaliating against witnesses and their close relatives; (5) Repeatedly sending obscene, insulting, threatening or other information to interfere with Others live their normal lives; (6) Peeping, secretly filming, eavesdropping, and spreading other people's privacy. As long as there are real reasons and relevant evidence and there is a suspected target, you can go to the local police station to call the police. After the situation is settled, you can ask for civil compensation.