The government of Australia has explored and reformed in the field of water resource distribution and has achieved a lot of successful experiences.

A theoretic model of water allocation is established to expound the economic behavior of multi-objective water supply in irrigation districts based on the presupposition of fundamental rational economic individual.

The dissertation starts with water allocation theory and study on when carrying out water rights system, how to forecast the impact of actual water allocation on the society, economy and eco-environment and on how to foresee the basin evolution orientation.

Based on the centralized system and the market system allocation principle of water resource,and according to the general reform direction of allocation of water resources system in China,the paper proposes pattern of leader-follower based on the mix system,and establishes bi-level programming models.