This is one of the national historical and cultural city. Ming Masanori six years (1511), the ancient castle-building, city cylindrical inner side, the shape of coins. Brick wall Perimeter 7.25 li, rolling door gate for the arch. Turtle-shaped terrain to the city, overlooking the city, such as board-like.

City buildings are mostly cursory gate, five-phase according to the courtyard buildings. Gram with students under the five elements theory, the anti-gold wood relative to g, two with the wrong things. East Gate, south, north west gate, staggered a street, there were intersected with the two north-south axis of the first corner.

Jiajing later to early Qing Dynasty, the city has produced two of the largeBachelor of (prime minister), Book, and five dozen assistant minister, governor, censor, taking part, the famous scholar. Wide moat ocean waves, surrounded by the city. The Han and Tang underwater layers of Suiyang city, Nanjing City Song, Yuan Duguid House site. As the ancient city walls and gates Duguid to more complete preservation, the country has become one of the few ancient city.