Chengyu (Chinese idiom) is a wisdom of our ancestors, which expresses the most with the least words. It is a process of simplifying complicated concepts into a succinct expression will be better.. A good cultural creativity should be able to grasp the cultural essence. Chengyu has this quality. The purpose of this study is to establish a design model transform Chinese idioms into culture products, and also to apply in practice design. This design model is consisted of four parts. The first three parts of the design model can use to identify and analyse culture elements, and which lead to formulation of design guidelines, including understanding and analysing Chinese idioms, analysing the meaning of each character, association of ideas. The final part is to execute design processes. For designers, this model can be applied to create cultural product in accordance with Eastern aesthetics by using Chengyu.