Marine aquatic products and autotrophic fish and shrimp are generally unaffordable if they are autotrophic; Shipping in the North Sea is also its development condition; Real estate profiteering is also the cause of development. Most people who come to Beihai to buy a house are foreigners, most locals live in the main house, and most foreign buyers are rich. Their arrival, in view of the needs of life, certainly promoted the daily economic development of Beihai; Development also lies in national capital investment and Beibu Gulf development policy; In addition, this is also a key point of tourism in Beihai.