Hangzhou Xiaoshan Beauty Dam is located on the Qiantang River in the north of Xiaoshan Beauty Mountain in Hangzhou City, Zhejiang Province. It is a T-zi Dam that goes straight into the river from south to north, and is one of the tide watching sites for the Qiantang River tide. The beautiful dam of Lushan in Nanyang and Yanguan Town in Haining City, Xiaoshan on the south bank of Qiantang River are the best scenic spots to watch Qianjiang tide. The main thing to watch in the beautiful dam is the "turn tide". "Return tide" refers to the rapid advance of the tide, encountering the dam and other artificial obstacles formed after the tide, in the beauty dam to see the return tide is called "beauty two back."