The wall was built in the Ming Jiajing 41 years (1562 years), and it was made the blue brick red stone. Pirates invade at that time, the people proposed to built a fort in self-defense, everyone donated more than 6,000 silver, and it was built lasted for several years.

Ancient City Wall around the Gongchuan City for one week. Its original length is 3,100 meters. Now it leaves over 1,300 meters and about 7 meters high. The bottom was constructed with brick, The weight of each brick is about 15 kg and every brick is engraved with "Gongchuan ", "Gongbao", so it is also known as "Gong Fort. In addition, engraved with the name "Huang Ruisi" firing craftsmen, to prevent the bricks move he used to ensure quality. The walls inside and outside the embankment, each with bridleways passage to facilitate the villagers.