本文从我国建筑业现状出发,运用西方经济学的理论,论证了大力开展工程总承包将形成建筑业新的经济增长点与增长力;从产业组织理论角度论证了大力开展工程总承包能在一定程度上改变我国建筑市场的过度竞争现状,优化产业资源配置;运用交易成本理论分析可知,大力开展工程总承包,能减少交易费用和提升建筑企业的竞争力。 This paper starts from the current situation of China’s construction industry, and uses the theory of Western economics to demonstrate that vigorously carrying out project general contracting will form a new economic growth point and growth force of the construction industry; from the perspective of industrial organization theory, it is demonstrated that vigorously carrying out the project general contracting can The degree of over-competition in the construction market in China is changed to optimize the allocation of industrial resources. Using transaction cost theory, it can be seen that vigorously carrying out project general contracting can reduce transaction costs and enhance the competitiveness of construction companies.