The key points of Guanzihling Scenic Area to develop eco-tourism are its rich natural resources, diversified biology. Its surroundings are good for eco-tourism. Therefore, the objective of this research is to explore tourists' recognition of eco-tourism and satisfaction of the environment. Through literature review and questionnaire survey, this research makes suggestions to tourism-related businessmen for their sustainable tourism development. This study suggests that Guanzihling Scenic Area could be a major mass-tourism area and a minor eco-tourism area so the negative impacts on ecology and human-cultural environment can be significantly reduced.