The layout of theme park is the most significant factor which determines the success of theme park project. In this study, we draw on the theoretical and practical experience theme parks. The 50 influencing factors have been screened for three times, by using Delphi method, autocorrelation analysis and coefficient of variation, to build an evaluation indicator system containing 12 indicators. The results suggested that: ① The final index system reflects 96% of original information by no more

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... n 30% of initial indexes. Our index system exhibited its efficient and suitability to build theme parks. ② Among the second-level indicators, the urban population factor has a significant influence on the suitability; among the third-level indicators, the GDP, permanent resident population and the total number of tourists of an urban area are the key factors affecting the feasibility of developing a theme park in this area. ③ The results obtained coincide with the actual development of theme parks in China, which means that the model is scientific and feasible and can be used to guide the site selection for theme parks around the country in future.