the management of the legal cases belongs to the administration science, manages and supervises the prosecutorial work process, and guarantees the fluency of criminal procedure. The implement of the code of criminal procedure will bring about lots of challenge to the administration of legal cases. Therefore, the administration of legal cases should stick to the location of the function, and comprehensively use the direct method of the investigation before and after the event, thus to promote the quality of legal cases for procuratorial organ.