According to the investigation, the author indicated the major problems of tourism in Chengde city, and then led into the theory of garden city and landscape ecology. The Luan-yang leisure vacation garden in Chengde city was designed in this paper about the planning objectives, the planning idea, the general planning, the project planning, and the environment landscape planning, et cetera. Based on leisure agriculture, aiming at constructing a garden city, the program was going to build a sustainable leisure vacation garden where can be in orderly management, can travel safely, can gather many visitors, can increase economic benefits steady. Moreover, the aim of the plan is to provide theoretical basis for developing leisure agriculture gardens and city planning in the future.