In the 27th year of Guangxu (190 1), Emperor Guangxu and Empress Dowager Cixi and their party came to Yigou and spent the night in the hall.
1958 Jianyigou commune was established.
1984, Yigou was changed to rural area.
1989 yigou town was built.
1997, with a population of 55,000, governs Fanshen Street, Jiefang Street, Lusheng Street, Hu Yong Street, Xinhua Street, Qianjin Street, Shengli Street, Zhaotun, Jiangcheng, Liu Zhuang, Matun, Chetun, Xiang Si, Duanzhuang, Gu Duo, Dawa, Zhao Yao, Huang Xia Kou, Suoxiakou, Wangxiakou and Chen Xia. Gao 'erzhuang, Qianlizhu, Jiangwangzhuang, Dasitai, Xiaoqingshan, Daqingshan, Huangluchang, Lizhaohe, Silkworm Valley Middle and Houlizhu 5 1 administrative village.