Abstract:from the perspective of project value, use the method of grounded theory, get the analysis in the interview data and related data, dig out the 29 factors of construction project transaction mode innovation design, divide into external social and economic environment, the project participants own characteristics and engineering features of three categories, the model effects the construction of innovative trading patterns project factors and mechanism. Research shows that, in the construction project transaction mode in the process of innovation, the owner is main transaction mode innovation design, play a key role in construction project transaction mode in the process of innovation, the project itself is characteristic of transaction basis and premise of innovative design, external social and economic development is the main driving force to guide the client transaction mode of innovative design. The ultimate goal of construction project transaction mode innovation design is to achieve the project value.