Being released on bail pending trial is a criminal coercive measure stipulated by the "Criminal Procedure Law of the People's Republic of China" and the state. It means that in criminal proceedings, the public security organs, people's procuratorates, people's courts and other judicial organs order criminal suspects or defendants who have not been arrested or who need to change compulsory measures after arrest to prevent them from evading investigation, prosecution and trial, and order them to provide a guarantor Or a compulsory measure in which a person pays a deposit and issues a letter of guarantee, guaranteeing that he will be there at any time and will not be detained or temporarily serve his sentence outside prison.