The tree house located in the Xiuning county, 33km away from the west of Huangshan city, Anhui province, China. It is belonging to the Qiyunshan scenery area. The cylindrical massing fading into the wood made paper. The irregular opening on this paper can be read as a wonderful emotion. The slide is a link between parents and children, it can achieve the emotional interaction in the family. Whether for the outside or the inside, the entire building aims to create a good place for the family harmonious activity.