Beihai, a coastal city in Guangxi Zhuang Autonomous Region, is located in the south of Guangxi, and the northeast of Beibu Gulf. It is one of the fourteen coastal open cities, an important marine outfall in the southwest of China and a port of departure in the ancient Maritime Silk Road. Due to its coastal location, it is abundant with marine resource, and considered as one of the four biggest fisheries in China. Still it has been included in the list of top 10 most livable cities in China since 2005, which is benefited from its beautiful scenery, weather and economy. In the ancient, it has a good reputation for its pearl, and in the modern times, it is well-known to the world for its tourism resource.