legal ground
Article 67 of the Criminal Procedure Law: The people's courts, people's procuratorates and public security organs may obtain bail pending trial for a criminal suspect or defendant under any of the following circumstances: (1) Those who may be sentenced to public surveillance, criminal detention or independently apply supplementary punishment; (two) may be sentenced to more than fixed-term imprisonment, bail will not cause social danger; (3) A woman who is seriously ill, unable to take care of herself, pregnant or breast-feeding her baby is released on bail pending trial, which will not cause social danger; (four) the detention period expires, the case has not yet been settled, and it is necessary to get a bail pending trial. Bail pending trial shall be executed by the public security organ.