Relevant laws and regulations: People's Republic of China (PRC) Criminal Procedure Law.
Article 79 A criminal suspect or defendant who has evidence to prove that he has committed a crime and may be sentenced to fixed-term imprisonment or more shall be arrested if bail pending trial is insufficient to prevent the following social dangers:
(a) New crimes may be committed;
(two) there is a real danger of endangering national security, public safety or social order;
(three) may destroy or falsify evidence, interfere with the testimony of witnesses or collusion;
(4) It is possible to take revenge on the victim, prosecutor or accuser;
(5) attempting to commit suicide or escape.
If there is evidence to prove that there are criminal facts, it may be sentenced to fixed-term imprisonment of more than 10 years, or if there is evidence to prove that there are criminal facts, it may be sentenced to fixed-term imprisonment of more than 10 years, or if there is intentional crime or the identity is unknown, it shall be arrested.
If the circumstances are serious, a criminal suspect or defendant who has been released on bail pending trial or under residential surveillance may be arrested.