There are many tourism cities in China and sustainable development of urban tourism has becomean important field of tourism research. This paper constructs an ecological safety evaluation index system oftourism city. The evaluation index system is composed of resource, environment, economy and society sub-system. Then it establishes an evaluation model based on fuzzy matter-element theory. Finally it develops acase study on Kaifeng city. The results show that there is a tendency of gradual improvement in ecologicalsafety condition of Kaifeng city. However, ecological safety condition during the period belongs to criticallysafe grade. Therefore, ecological safety condition of Kaifeng is unsatisfactory and need to be improved. Inaddition, it advances suggestions on strengthening ecological construction. The study can provide scientificbasis for decision-making of local governments and concerned departments, help people know the influencesof tourism activities on ecological environment scientifically and timely, and help tourists advance ecological consciousness.
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