The extensive shore in the territories of Hong Kong attracted the government office to build fields for the production of salt.
In 403, Lo Tun (盧循) occupies the city of Pun Yue, the present-day Guangzhou, and surrounding area.
The empire built a military and naval base in Tuen Mun to ensure the safety of Guangzhou and the seas around Hong Kong.
The Hong Kong Garrison, composed of ground, naval, and air forces, is under the command of the Chinese Central Military Commission.
The garrison subsequently opened its barracks on Stonecutters Island and Stanley to the public to promote understanding and trust between the troops and residents.