Second, in reality, a considerable number of people investigate relevant evidence or other facts as detectives, often under the guise of commercial investigation companies, and most of them are gray, illegal or even criminal.
Third, private investigation is not officially recognized, but there are many people engaged in substantive "detective" work.
Legal basis: Article 42 of the "Public Security Administration Punishment Law of the People's Republic of China" 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 serious, he shall be fined not more than five days. Detention for not more than ten days but not more than 10 days and a fine of not more than 500 yuan may be imposed:
(1) Writing threatening letters or threatening others' personal safety in other ways;
(2) Public insults Others or fabricate facts to slander others;
(3) Fabricate facts, make false accusations and frame others, in an attempt to subject others to criminal prosecution or public security management penalties;
(4) Threaten or insult , beating or retaliating against witnesses and their close relatives;
(5) Repeatedly sending obscene, insulting, threatening or other messages that interfere with the normal life of others;
(6) Peeping, filming, eavesdropping, spreading other people's privacy.