The first walled gate is located in the south of Micang Ancient Road of the South Gate. It is about 3 meters high and 4.3 meters wide. The two sides of the walled gate are built with stone bars. In 1983, there were couplets on the front of the village gate when the South Gate agricultural school was built. After the village gate, wooden poles were used to stop it. The chute on the bar stone was clearly visible. The boulder at the top of the door was destroyed in 1953, and the dome was pushed halfway up the hill by students and never found. The second walled gate is located where the tennis court is now. According to the old man's memory, the walled gate is 2.5 meters high and 2 meters wide. It was also built with stones. The Southern Gate is also a battle site of the Red Army. In 1932, the troops of a Red Army regiment had a trench 1 meter wide and 1.5 meters deep in the South Gate from the first walled gate to the second walled gate to the Qishe Chajia Bay in Shuanghe Village. The Red Army headquarters is located in Goujiayan (now the fourth community of Changshi Village Xun Xinsee residence), from the headquarters to the Zhaimen installed wired telephone. The whole trench was also in 1958, when the agriculture, by Shuanghe, Hongshan, Changshi three villages where the production team organized the masses to fill, has become a barren mountain.