Ministerial level The Liaison Office in Hong Kong has leadership positions such as director, deputy director and secretary-general, and is composed of 24 departments. The Liaison Office in Hong Kong has played an important role in implementing the principle of "one country, two systems" and made positive contributions to the prosperity and stability of Hong Kong. As the newly established central organization in Hong Kong, the Liaison Office in Hong Kong plays an important role in safeguarding Hong Kong's national security. The level of this institution is the deputy ministerial level, with the posts of Commissioner and Deputy Commissioner, and it is composed of several departments. The main duties of the offices of the Ministry of Foreign Affairs in Hong Kong are to handle foreign affairs related to Hong Kong under the management of the central government, to assist the Hong Kong SAR Government in handling foreign affairs authorized by the Basic Law and the central government, and to handle other affairs assigned by the central government. The existence of the Office of the Commissioner of the Ministry of Foreign Affairs in Hong Kong has provided important support for exchanges and cooperation between Hong Kong and the outside world, and it is also the embodiment of the direct jurisdiction of the central government over Hong Kong.