To achieve the aim of enhancing the protection of transboundary water resources,using the methods of comparison and Abstract,this article firstly analyzed and compared the provisions of involved international documents and international practice systematically,then discussed the measures that basin states can take to protect transboundary water resources.

Study on models, principles and index system on trans-boundary water resources allocation;

Comparative Study on IHRM of Different Models;

As the social progresses and economic development,shortage of water resources in China has become an increasingly serious problem,the low level of water use,the utilization of imbalances,the development and utilization of water resources in different degrees,the excessive exploitation of groundwater,the waste of water,less efficient use of water resources has been highlighted.

On the Seventh Assemble of World Water Resources hold in 1991, the Association of International Water Resources pointed out:“In the arid and semi-arid regions, contesting for the right to use the international rivers or other kinds of water resources is likely to usher in wars between two countries.