Every Suzhou garden is a concentrated little nature. Its basic form is surrounded by a wall to define the boundaries of the small world; with the courtyard as a reference, there is a pool in front of the pool with pavilions and stacked stones; behind the house there are mountains and rivers; all kinds of vegetation alternate, with high trees and low plants in a pitching posture. In order to create a concentrated small nature and a perfect residential system, designers should consider the coexistence of "integrity, diversity and difference".