Industrial agglomeration is the result of the free moving and free configuring of productive factors. It is an inevitable phenomenon that industries highly concentrated in a particular area under the conditions of market economy. Because agglomeration can promote economic development and enhance regional competitiveness, finding out the evolution laws of agglomeration is helpful to develop appropriate regional strategies and industrial policies.https://www.vastuconsultantkolkata.com/ agglomeration has been guided by government in the period of planned economy, industrial structure was inefficient. In the process from planned economy transferring to market economy, the fluidity of product factors has been enforced, many industries' location are guided by the economic rule instead of government planned policy, industrial layout has changed dramatically. New Economic Geography theory suggests that the industrial agglomeration and regional integration take on a reversed "U" curve under the interaction between scale of economy and transportation costs, that is, inter-regional transport costs continue to decline with the development of market economy, and the geographic layout of industries will be dispersed after gathering.