With the increasing contradiction of structure of industrial investment in Chongqing,this article has analyzed the relationship between its industrial investment and economic growth by the theory of grey system,discovering the mismatch between industrial structure and investment structure,the existing phenomenon of "off-manufacture" and the irrational investment structure in the three industry respectively.Then in order to develop the industry of Chongqing positively,it points out some countermeasures such as optimizing the investment between primary and secondary and tertiary industry and the investment in the above industry,strengthening investment in manufacture in Chongqing to avoid hollow of industry.