The Taizi River has two sources, the north of which originates from Hongyangou, Pingdingshan Township, Xinbin County. Originated in the south to the foothills of Caomaozi Mountain in Yanghugou, Dongying Square, Huanren County, it joins Guzi Village and Machengzi Village in Benxi County and enters Liaoyang via Benxi City. After entering Qiwo Reservoir in Jiguanshan Township and Hanling Town, it passes through Gongchangling, Xidayao, Hu Sha, Xiaotun, Tokyo Mausoleum and its suburbs, and then passes through Wangshuitai, Ximafeng, Wang Jia, Tongerbao, Huangniwa, Xiaobeihe, Liu Hao, Tangmazhai and other towns 18.
The length of the river is 4 13km, the domestic flow is 143km, and the drainage area is about 4,000km2, accounting for 85% of the total area of the city. Most rivers in China are tributaries of Taizi River, among which there are as many as 24 tributaries, and the flow exceeds 10 km. It flows into the Taizi River from north, east and south, forming a centripetal water system.