Tianmu Lake is located eight kilometers south of Fuyang City, Changzhou. It is called "Tianmu Lake" because it belongs to the Yumai of Tianmu Mountain. Tianmu Lake is a deep water lake (reservoir) with narrow east-west and long north-south. The water depth in the south is about 4~ 5m, and the water depth in the north is about 10~ 14m. Around Tianmu Lake, there are many historical and cultural sites: Wuyuan Mountain, named after the Chu people Wu Zixuan "member" in the Spring and Autumn Period, Cai Yu Reading Station, Donghan Literary Artist Cai Yu, Taibai Building, Baoen Temple, the former site of Longxing Temple, the famous temple of Tang Dynasty, and "the first stone arch dam in the world". Tianmu Lake area is rich in goods, there are "Shahe Guiyu" green tea, "Oolong tea", "pearl chestnut", "Guiyuan chestnut", "casserole fish head" and so on.