Abstract: As main content of scientific outlook on development, sustainable developmentis important tendency of tourism development in the future. In recent years, Mengzi tourism has made the huge progress. The traveling industry has become oneof six big pillar industries of Mengzi. But on the other hand, Mengzi tourism also has some problems, such as propaganda insufficiency, lack of scenic areaof A level, scenic areas and spots are scattered. All of these questions have seriously restricted sustainable development of Mengzi tourism. To maintain thesustainable development of Mengzi tourism and develop Mengzi to a strong county in tourism，this article utilizes the SWOT analytic method to analyzeinternal strength and weakness, exterior opportunity and challenge of sustainable development of Mengzi tourism, also using datas analysis and historicalanalysis to supplementary specification, proposed the future development thinking of sustainable development of Mengzi tourism, to give a theory reference ofMengzi tourism's sustainable development and next tourism's layouts.