More than three months. According to the official information of "Management Measures for Newly Employed Civil Servants during Probation Period (Trial)", newly employed personnel who have not graduated from public security police colleges must enter public security police colleges to receive public security professional training for more than three months. The provincial examination is a provincial-level local civil servant recruitment examination, with reference to the national civil servant recruitment examination. Organized by the Central Organization Department, the Ministry of Human Resources and Social Security and the National Civil Service Bureau, it recruits civil servants for the central and state organs and their directly affiliated institutions.