Based on objective history statistics data, various principal economy indexes and some correlative major factors are studied during the economy development of Wenjiang district of Chengdu city. When linearity or nonlinear relationship between these indexes and factors are constructed, corresponding forecast results will be got. In the coming years, GDP of Wenjiang district will still increase,and investment scale of capital asserts will be extended rapidly, and industry economy benefit will be enhanced evidently. Moreover, agriculture gross production value and peasant net income per person will be improved notably, and finance gross income and the third industry will be raised steadily. It should be continuously carried out that industry reform be strengthened, agriculture be optimized and service industry be encouraged. Thus economy of the whole district will get rapid and proper promotion, and the social development will also be accelerated.