Abstract: After joining WTO,mechanism transformation,structure optimization and technical upgrading are the theme of China's industrial development. Based on the industrial sector productivity changes and elements configuration,this paper analyzed the development evolution of China's industry facing the new situation. Results show that：after WTO,the growth of China's industry overall and subdivide productivity is effective,and growth depends on the changes of the technology progress. Industrial productivity is increased mainly through technology progress improvement rather than technical efficiency improvement.