Abstract: Through investigation and discussion of diversified trends of the major investors under market economy, this paper attempted to establish a framework of urban district planning, which can ensure common benefit and improve economic development level. Firstly, it revealed the change of keystone in urban district planning, and brought forward three space concepts:public service network, special purpose district and commonly purpose district. Secondly, it concentrated on expounding emphasis on urban district planning framework. In addition, it brought forward planning unit system and intensity control system and the classifying control system in making public service network. At the same time, it proposed the idea of applying SWOT analysis to comparing multiple solutions in special purpose district. At last, the result indicated that the framework of urban district planning under market economy has five characteristics, including rigidity and the flexibility, dynamism, complete coverage, openness, and operability.