刑事诉讼法未作修改前，人民检察院对直接受理的案件（即自侦案件）实行侦诉分开的内部制约制度，即侦查部门侦查终结后，将案件移送刑检部门审查起诉或免予起诉。修改后的刑事诉讼法第一百三十五条明确规定：“人民检察院侦查终结的案件，应当作出提起公诉、不起诉或者撤销案 Before making any amendment to the Criminal Procedure Law, the People’s Procuratorate implemented a separate internal control system for the investigation of cases directly handled (that is, self-detection cases). That is, after the investigation department concluded the investigation, the case was transferred to the criminal inspection department for examination and prosecution or exemption from prosecution. Article 135 of the amended Criminal Procedure Law clearly stipulates: "People’s Procuratorate investigates the end of the case, it should be made a public prosecution, no prosecution or revocation of the case