By using annual data of Chongqing during 20052010, by using the reference of average level of all China, this paper studies industrial structure deviation degree and competence of overall Chongqing’s tertiary industry and each industry of the tertiary industry, broadens traditional shift share analysis method, revamps static shift share analysis method by introducing time dimension and finds that the development of Chongqing’s primary industry is stable but its industrial structure is not rational, that Chongqing’s secondary industry is dominated by manufacturing industry and that each leading industry in Chongqing’s tertiary industry has bigger development space.〖JP2〗 Thus, the relative optimal method for overall industrial upgrading is to push forward the structural upgrading of the leading industry in Chongqing’s industries and to promote the competence level of the leading industry.