At the Chinese history cultural heritage protection level,the historic towns belong to historical culture protectorate category,which is a kind of precious historical culture resources.How to protect this traditional human settlement in the contemporary space and time's environment effectively is a challenging topic in front of us.In this paper from the existing feature and evolution tendency of Bayu historic towns under the background of present urbanization,in accordance with their problems,the technique of Combination is put forward considering feasibility and concrete ways for the continuation of traditional space structure and repair of social culture appearance.Based on them and from the aspects of economy and policy,furthermore,the guarantee strategies,which put the Combination into practice,are discussed,that will provide a reference for practical operation of historic towns combination.