Legal basis: Constitution of People's Republic of China (PRC).
Article 37 The personal freedom of People's Republic of China (PRC) citizens shall be inviolable. No citizen shall be arrested unless approved or decided by the people's procuratorate or decided by the people's court, and shall be executed by the public security organ. It is forbidden to illegally detain or deprive or restrict citizens' personal freedom by other means, and it is forbidden to illegally search citizens' bodies.
Article 38 The personal dignity of People's Republic of China (PRC) citizens shall be inviolable. It is forbidden to insult, slander, falsely accuse or frame citizens in any way.