Abstract: In the areas of international rivers in Southwest China there are complex topography, high altitude, few population, abundant water resource for per people, plentiful water flowing out of country, good water quality, low utilization ratio now and there are wide utilization foreground. With our country joining WTO our steps into international society are accelerated. It is necessary to follow international laws and conventions to develop and utilize water resource of international rivers. In this paper the nature state, our positions in all river basins, utilization，development and existed problems of the water resource of international rivers in Southwest China were first discussed. Then some problems and rules in international rivers development were described. Finally according to sustainable development principle and each river characteristics some proposes were put forward: Such as, we should sufficiently recognize that environments in the areas of international rivers in Southwest China is flimsiness and the level of society and economic development is low. It be proposed that water resource conservation should be main task in future, ship navigation and tour should be first developed, water energy should be reasonable developed, then it is necessary that we should initiatively participate international cooperation and communication, together developing water resource with relating countries to boost regional society and economic sustainable development.

Key words: international river