According to the regulations of People's Republic of China (PRC) detention center:

Article 2 A detention center is an organ for holding criminals who have been arrested or criminally detained. A criminal sentenced to fixed-term imprisonment of not more than one year, or a criminal whose remaining sentence is not more than one year, may also be supervised by a detention center.

Article 28 If a prisoner is in any of the following circumstances during his detention, he shall be given a warning, admonished, ordered to make a statement of repentance or be confined according to different circumstances; If the case constitutes a crime, criminal responsibility shall be investigated according to law:

(a) in violation of prison rules and regulations and discipline, after education;

(2) spreading corrupt ideas and preventing others from repenting;

(3) Refusing to accept supervision, which is really unreasonable after investigation;

(4) Deliberately damaging public property;

(five) bullying, insulting others, infringing on the personal rights of others;

(six) gang fights, often disturbing the management order;

(7) teaching criminal methods or instigating others to commit crimes;

(eight) escape or organize escape;

(9) Other illegal and criminal acts.

If a criminal is under any of the circumstances listed in the first paragraph during his detention, if the circumstances are serious, he shall be given a warning, admonished, ordered to make a statement of repentance or be confined. If a crime is constituted, criminal responsibility shall be investigated according to law.