Abstract In this paper,the basic items of sustainable development in eco-tourism were discussed theoretically as following:In the aspect of the component structure of sustainable development goals in eco-tourism, according to the analysis of the former two dimensional and three dimensional models of targeting in eco-tourism,an ideal "four dimensional targeting model of sustainable development in eco-tourism" was proposed based on the"four basic components of eco-tourism system" theory.In the state aspect of targeting sustainable development in eco-tourism,according to the characteristics and various key items of sustainable development in different destinations,the detail differences between static model and the dynamic model of sustainable development in eco-tourism were also discussed.In the aspect of motility realizing sustainable development in eco-tourism,the author thought that the motility driving to achieve sustainable development in eco-tourism comes from multiple beneficiaries.According to the multi-subject characteristics of multi-dimension,state difference and multi-beneficiary in ecotourism and also based on the"commensal theory"of applied ecology,the optimal way to realize sustainable development in ecotourism is to make the multi-targets and multi-beneficiary aspects accrete concordantly.
2005, Vol. 20 
