1953 belongs to eleven districts, 1957 builds Balu township, 1958 changes commune, 1983 changes township, 1992 builds town. 1996, with an area of 67.5 square kilometers and a population of 44,000, governs Balu, Nanzhao, Li Xiang, Shanbei, Tangshan, Houying, Liuji, Zhaoxian, Ancestral Temple, Bobuying, He Lin, Shilidian, Courtyard Wall, Yangzhuang, Zhongtan, Gaotan, Zhongzhuang and Zhangwei. In 2004, the area was 7 1 km2, with a population of 44,953, including 38,562 in rural areas, 0 in townships (No.8 Road), 4 in administrative villages, and 0 in natural villages.

1953 belongs to eleven districts, 1957 builds Balu township, 1958 changes commune, 1983 changes township, 1992 builds town. 1996, with an area of 67.5 square kilometers and a population of 44,000, governs Balu, Nanzhao, Li Xiang, Shanbei, Tangshan, Houying, Liuji, Zhaoxian, Ancestral Temple, Bobuying, He Lin, Shilidian, Courtyard Wall, Yangzhuang, Zhongtan, Gaotan, Zhongzhuang and Zhangwei. In 2004, the area was 7 1 km2, with a population of 44,953, including 38,562 in rural areas, 0 in townships (No.8 Road), 4 in administrative villages, and 0 in natural villages.