1987 September, Ouhai County was established as a town, and it belonged to ouhai district after 1992. 200 1 was placed under the jurisdiction of Longwan District by ouhai district. 20 15 was transferred from Longwan District to Dongtou District. The total length of the island coastline in the town is 24.69 kilometers, with a total area of 5 1.3 square kilometers, a land area of 25 square kilometers and a tidal flat area of 30.05 square kilometers. Jurisdiction over 9 administrative villages and 1 neighborhood committee. In 20 10, the registered population was 2 19000, with 59 17 households.