Abstract: Starting from the concept of ecological tourism, according to the advantage and opportunities of developing ecological tourism in Yunnan province, this paper analyzes the problems and the reasons existing in the development of ecological tourism. Through elaborating some examples questions about three parallel rivers area such as weakinfrastructure, fragile ecological environment, lack of boutique travel products to develop the ecological tourism, and on the basis of the above analysis, the paper putsforward to build ecological view during the time of ecological tourism development, do a good job in planning and management of tourism scenic spot, strengthen personnel training in Yunnan, thus promotes the sustainable development of ecological tourism in Yunnan province, finally realizes the social, economic and ecological benefits among thebest combination.