The urban waterfront space is the main public place, landscape recreation space and ecological protection space of the city. With the development of economy and society and the improvement of people's demand level, it is more and more important to give full play to the recreational function of the urban waterfront space and to create the waterfront recreational space. Based on the discussion on the concept and research progress of the urban waterfront recreation space, the relationship between the comprehensive water treatment concept of water resources, water safety, water environment, water ecology, water culture and water economy(Six in one)and the planning of the urban waterfront recreation space is analyzed from viewpoint of water and land coordination according to the multi-disciplinary theory, the idea and key points of planning of the urban waterfront recreation space based on the concept of “Six in one” is discussed, and the case study of urban section of Tanglang River in Yiyuan County is given.