Habitation is a basic problem in modern city.Fast developing housing industry is now changing urban form rapidly in contemporary China.This paper explores 5 classical urban communities of western countries during the developing period,and then discusses the community planning based on Transit-oriented and Neighborhood-oriented ones.Finally,through thinking about the 'Habitation Changes Urban Form',this paper reexamines urban planner and architect's social responsibility,with review on a huge changing ecological situation of housing industry in today's China.