Water curtain cave is one of the main attractions in Huaiyuan Scenic Area of Tongbai Mountain, on the cliff of 48 meters high in Tingcui Peak. The cave is 10 meters wide and 5 meters deep. There are Monkey King stone statues. The water of the Tongtian River flies straight down, covering the mouth of the cave, rain is dragon and tiger roaring, and sunny is swimming. A spring in the cave donated drops, gathered in a stone, its water is sweet and the seasons are not bad, there are stone tables and stools for small squats. Through the snow curtain, you can overlook the mountain temple scenery such as Sun City. "Water curtain hanging snow" is one of the eight scenery of Tongbai since the Ming and Qing Dynasties.