Pian shi rockery house is the only existing copy of Shi Tao, a master of painting in later Ming dynasty. The peak height is 9.5 meters which is quite rare in south Chinese garden. It is seen as the best rockery in the world. The rockery is piled up by Taihu stones, and there are two rooms inside it. From Pian shi rockery house, we can feel the artistic attainments of Shi tao.