Recently, the central government and local government are planning introduction of a foreign-affiliated grand scale theme park. It means to expect the rivalry among the theme parks. Therefore, various efforts are needed to get a competitive advantage among the theme parks. This study is to find out environmental perception factor of theme park visitors, to prove influence between the environmental perception and emotional responses. Based on the study results, these are aimed at suggesting development plan of theme park. As its result first, the pleasure of seeing factor and esthetic atmosphere factor of the environmental perception had positively influence on the emotional responses. second, the emotional responses had positively influence on satisfaction and behavioral intentions. Above all things, the theme park is most important to have theme, most of visits hope to experience the non-daily. The theme park has to create an esthetic atmosphere of nice seeing. For this, A strengthening content and offering various programs should be taken into consideration for successful operation of theme park.