[Objective] The application framework for ecosystem services evaluation in environmental impact assessment on tourism resort plan was established and then applied it in Suzhou Taihu Lake National Tourism Resort.[Methods] According to the features of tourism resort, the study was carried out by ecosystem service function value evaluation.[Results] On the conditions of scale adjustment of tourism development, and maintenance of water area and wetland, the resort can keep the original ecosystem service function. The ecological service function value increased 53 million yuan after the adjustment.[Conclusion] Construction land growth led to the decrease of water area and wetland, whereby reduce the value of ecosystem services.