With the development of urbanization，the problem of “urban disease” has appeared in some places，and more and more middle-class peple have chosen to flee. Based on the background of the development of Dali anti-urbanization，this paper explores the middle-class lifestyle，which is characterized by the pursuit of ecology，culture and life value. This lifestyle can adapt to the needs of the big cities to return to the crowd and can be improved to a certain extent On the effective relief of “urban disease” brought about by various types of environmental pollution，stress，mental stress and other issues. Therefore，this article presented that in the context of a harmonious society，give full play to the role of rural or small towns of the ecological environment and cultural attraction，not only can effectively coordinate the people and nature，people and people，people and society between the various relationships，ease the middle class In the “urban disease” in the development of a variety of problems，but also play a role for the balanced development of the region，promote social harmony.