Tourism ecology is a new and applied interdiscipline, and its discipline system is still not perfect. This paper discussed how to set up a perfect research system research of tourism ecology by researching the disciplinary system, and defining the concept of discipline, research field, research content and research method. And put forward that tourism ecosystem is the core of research on tourism ecology. Being a mainly foundation for discipline study of tourism ecology, constitute, structure, function and management of tourism ecosystem were the bases of research on tourism ecology. the methods of field research of tourism, special analysis, and evolution on tourist ecological environment and ecological management of tourism were main methods of tourism ecology.