Abstract: In order to supply a better solution to ensure sustainable development of the marine product at the beach area of Jiangxia Tidal Power Station, and put forward corresponding policy. Based on survey of 5marine product farmers at the beach area of Jiangxia Tidal Power Station, the author got the date with a questionnaire. The author made an analysis on the current situation of tidal aquaculture at the beach area of Jiangxia Tidal Power Station in 2011, including its cost structure, income level, and the major effect factors of economic benefits. The results showed that: (1) feed and fry costs, the total of 2 items amounts to about from 82% to 92% of the total cost; (2) The different farmers were very obvious to control the feed costs; (3) The benefits of a large-scale framers were not more than the small-scale ones; (4) To branch out into selling the fish, such as the aquatic product was sold to somewhere else, could get more benefits; (5) To aquiculture at the beach area of Jiangxia Tidal Power Station could get much money about 15 million yuan; (6) The per capita income of fisherman to levels was much higher than the rural per capita net income level in Wenling City.