1.1 the practice of sustainable dev

1.1 the practice of sustainable development theorySustainable development requires people to pursue development within the carrying capacity of natural environment and resources, and must not develop tourism industry at the expense of destroying ecological environment and natural conditions. The core of the concept of sustainable development lies in "development", that is to say, the ultimate goal of the application of this concept is to guide practice, which requires people to pay attention to ecological harmony in the development process, and the research on the impact of tourism on the environment just meets the requirements of the concept of sustainable development, that is, to fully protect the local ecological environment, social culture and natural resources in the development process of tourism industry and realize the sustainable development of tourism industry.1.2 the core content of ecotourism theoryEco-tourism requires that the tourism industry should not only obtain considerable economic benefits, but also protect the ecological environment. The core content of ecotourism theory is to study the interaction between tourism and ecological environment. As a new form of tourism, eco-tourism can effectively improve people's utilization of natural resources and reduce the negative impact of the development of tourism industry on the environment.