sFollowing the nationwide trend of urbanization,Lhasa begins its urbanization process which is characterized by both its own feature and the universal meaning.The paper holds that Lhasa has been on the way of elastic urbanization.Based on this conclusion,this paper analyses the significance of elastic urbanization of Lhasa from the aspects of coordinated development of urban-rural economy,regional ecological protection and regional defense security.In addition,Lhasa's urban and rural economies are highly co...