The director of the National Security Office is a deputy minister. According to relevant information, as of March 6, 2023, China began to set up the 2020 National Security Office in Hong Kong, and China stipulated the administrative specification as the deputy ministerial level. The main duties of the national security agencies stationed in Hong Kong are to supervise, guide, coordinate and support Hong Kong to perform its national security duties and deal with crimes endangering national security according to law.