Wang Yiming, executive vice president of the National Development and Reform Commission macroeconomic Research Institute, said that the focus of China's economic change is the change of dynamic mechanism, the core of dynamic mechanism change is structure upgrading and adjustment, we should push forward the upgrading of industrial chain, vigorously develop producer service industry, and use "backward force" mechanism to build international competitiveness of enterprises, regional development should focus on the large space scale, and establish a trans-regional economic belt spanning East and West and driving the North and the South.