1. Investigation stage: The public security organ may impose criminal detention on the flagrante delicto or major suspect. Detainees should be questioned within 24 hours after detention. If the public security organ deems it necessary to arrest the detained person, it shall submit it to the people's procuratorate for examination and approval within three days after detention. Under special circumstances, the approval time can be extended by one to four days. For major suspects who commit crimes on the run, commit crimes many times or commit crimes in collusion, the time for submitting for examination and approval may be extended to 30 days. Those who need to continue the investigation and meet the conditions of obtaining a guarantor pending trial or residential surveillance shall be granted a guarantor pending trial or residential surveillance according to law. If the suspect is arrested, the lawyer hired can apply for bail pending trial. The public security organ shall not detain a criminal suspect for more than two months after his arrest. If the case is complicated and cannot be concluded at the expiration of the time limit, it may be extended for one month with the approval of the people's procuratorate at the next higher level. Second, the stage of examination and prosecution: the people's procuratorate shall, within three days from the date of receiving the case materials transferred for examination and prosecution, inform the criminal suspect that he has the right to entrust a defender. The people's court shall, within three days from the date of accepting a case of private prosecution, inform the defendant that he has the right to entrust a defender. The people's procuratorate shall make a decision on the case transferred for prosecution by the public security organ within one month, and the major and complicated cases may be extended by half a month. If the people's procuratorate believes that the criminal facts of the criminal suspect have been ascertained and the evidence is true and sufficient, and criminal responsibility should be investigated according to law, it shall make a decision to prosecute and file a public prosecution with the people's court in accordance with the provisions on trial jurisdiction. 3. Trial stage: After the people's court has examined the case in which the public prosecution was initiated, if the facts of the crime alleged in the indictment are clear, and there is a list of evidence, a list of witnesses and a copy or photo of the main evidence, it shall decide to hold a trial. Except for cases involving state secrets or personal privacy, the people's courts try cases of first instance in public. When trying a case of public prosecution, the people's court shall pronounce a judgment within one month after accepting it, but not more than one and a half months at the latest. Under any of the circumstances specified in Article 163 of the Criminal Procedure Law, it may be extended for another month with the approval or decision of the Higher People's Court of a province, autonomous region or municipality directly under the Central Government.
Legal basis: Criminal Procedure Law of People's Republic of China (PRC).
Article 83 When a public security organ detains a person, it must produce a detention permit. After detention, the detained person shall be immediately sent to the detention center for custody, and shall not exceed twenty-four hours. Unless it is impossible to notify or the notification of suspected crimes endangering national security or terrorist activities may hinder the investigation, the family members of the detained person shall be notified within 24 hours after detention. After the circumstances that hinder the investigation disappear, the family members of the detained person shall be notified immediately.
Article 89 If a public security organ deems it necessary to arrest a detained person, it shall, within three days after detention, submit it to the People's Procuratorate for examination and approval. Under special circumstances, the approval time can be extended by one to four days. For major suspects who commit crimes on the run, commit crimes many times or commit crimes in collusion, the time for submitting for examination and approval may be extended to 30 days.
Article 149 The approval decision shall determine the types and applicable objects of technical investigation measures according to the needs of crime investigation. The approval decision is valid for three months from the date of issuance. Those who do not need to continue to take technical investigation measures shall be lifted in time; For complex and difficult cases, if technical investigation measures need to be taken after the expiration of the time limit, the validity period may be extended after approval, and each time shall not exceed three months.
Article 165 If a people's procuratorate deems it necessary to arrest a person detained in a case directly accepted, it shall make a decision within 14 days. Under special circumstances, the time for deciding to arrest may be extended by one to three days. If there is no need for arrest, it shall be released immediately; If it is necessary to continue the investigation and meet the conditions for obtaining a guarantor pending trial or residential surveillance, the guarantor pending trial or residential surveillance shall be lifted according to law.
Article 202 When trying a case of public prosecution, the people's court shall pronounce a judgment within two months after accepting it, and no later than three months. For a case that may be sentenced to death or an incidental civil lawsuit, if one of the circumstances stipulated in Article 156 of this Law occurs, it may be extended for three months with the approval of the people's court at the next higher level; Due to special circumstances need to be extended, it shall be submitted to the Supreme People's Court for approval.