In developed countries, big cities often encounter many problems in their process to promote the development of suburb areas. Some of these issues are personalized, and considerable problems are common and with regularity. As to resolve the issue of "single function"of suburb areas, metropolitans in United States, Europe, Japan and relevant countries have good result due to the development of clear objectives, advanced planning method, especially in the setting of suburb industry system, enhance the function of suburban commuter suburb, improve efficiency of traffic between city and suburb areas. These aspects of the experience are worth learning from china. <<