Abstract: By means of system thinking, the issues of traveling resources, traveling condition and finance in tourism business as well as the interrelations among them were analyzed to search the effective approach to the prosperity of tourism business. The software STELLA is used to build the operation model of tourism business, including the modules of ticket price, the payment of loans and the development and demolishment of resources in order to find out an efficient way to prosper the tourism industry while protecting the environment. There's no real data for it's just a student's exercise. It mainly analyzes the genegal idea, and every related aspects. Also, its purpose is to show the importance of system thinking in high school students' studies.