1. Telephone inquiry: You can call the local public security bureau to inquire about the progress of the case and ask for information such as the acceptance time, the acceptance telephone number and the contact information of the case handlers.
2. On-site inquiry: You can personally go to the local public security bureau to inquire about the progress of the case, and inquire about the progress of the case from the police staff at the reception window, such as whether the case has been solved and when it will be solved.
3. Online inquiry: Public security bureaus in some areas will provide online inquiry function. You can enter the case number and other information on the website to inquire about the progress of the case.