Abstract: In order to study and deepen architectural design, we have been making primary effort in trying to play the full role of the study model aided architectural design. At the same time, we have been set up quite a comprehensive system of study model aided architectural design according to the basic course of architectural design. 3D space model can be directly presented by study model that will develop the designers 3D perception. For this reason, it is suitable for the designers to keep the open thinking during architectural design.