In the increasingly competitive construction environment, technology innovation and management innovation are important factors for the construction enterprise to keep the competitive advantage. Dynamic coordination in technology innovation and management innovation system will be more important for the construction enterprise. We discussed the connotation of technology innovation and management innovation for the construction enterprise, constructed an innovation system evaluation model and index system, and used the model to measure the technology innovation and management innovation level of a construction enterprise in Chongqing. The result shows that the synergy model is contribute to construction enterprises' competitiveness.