In order to explore the requirement of water resources development on international river of southeast Asian,aimed at the planning feature and the current situation of project construction of water resources development along international rivers in Southeast Asia,the paper took text analysis method, investigation method and the method of reading literature, and relied on the public information of cooperative project in international rivers to summarize and analyze the requirement of water resources development on international river of five countries in southeast Asian from the perspective of economic development and energy planning.It got the fundamental conditions of cooperative requirement and the specific distribution situation of every demand in the process of water resources development in international river's development in southeast Asia countrys. The result has instructive significance for the cooperation of water resources development on international rivers between our country and other ones of southeast Asia.