At the beginning of the county, it belonged to Lin Sixiang. 1945 is a high mountain area. Zhuwu Township was founded in June 1956, and changed to Zhuwu Commune 1958 in June and Zhuwu Township 1984 in April. Gaojia commune was founded in 1976, and Gaojia town was changed in 1984. 1995 5438+00 June, four natural villages, namely Miaohou, Zhaijiaguan, Dangdao and Cheng Jiazhuang, were designated as Gaojia. In Quanshuitou Township, Taojiagou, Xishuanma Island, Shangluobo, Dongshuanma Island, Hi Orchestra, Liujiatuan, Dongliutuan, Suoziqian, Qingquan Mine, Xialaobo and other 10 natural villages are classified as Zhuwu Township. At the beginning of 1997, four Gaojia natural villages, namely Miaohou, Dangdao, Cheng Jiazhuang and Zhaijiaguan, were transferred to Guocheng Town. Zhuwu Township covers an area of 102 square kilometers and a population of 3 1 10,000. Jurisdiction over Wu Dong, Houzhuang, Longwanpo, Dongzhuwu, Loudi, Shangsunjia, Beiluo, Sangyuan, Yan 'an, Shangyuankou, Xiayuankou, Houzhaihou, Zhaikuang, Fengxi and Fanfan. Gaojia Town covers an area of 78 square kilometers with a population of 2 1, and governs Gaojia, Wujiagou, Qingquanzhuang, Erwangjia, Heigu, Qiaojia, Nanhedong, Beihedong, Hulongzhuang, Sanwangjia, Lengjia, Duolan, Shangyinjia, Xiayinjia, Eshanhou, Hexi, Dataokou and Eshanhou. From June, 5438 to February, 2000, Gaojia Township and Zhuwu Township were abolished, and Wu and the town government were established in the original administrative areas of Gaojia Township and Zhuwu Township. In 2002, the area of Wu was 199.2 square kilometers, with a population of 48,700 and jurisdiction over 68 villages.