在经济发展与生态保护之间的矛盾日益突出的情况下，提出了一种确定生态保护目标的方法。选取奎屯河流域为研究对象，以水的生态价值与社会经济价值之和最大化为原则，确定奎屯河流域的生态保护目标，结果表明，奎屯河流域的生态保护目标为目标生态耗水率为47%，目标社会经济耗水率为53%，研究结果对奎屯河流域的水资源合理开发利用具有指导意义。此方法能够解决目前在确定生态保护目标时，主要靠人的主观因素来确定生态保护目标，导致确定的生态保护目标受人的主观因素影响较大，存在较大误差的问题，能够提高生态保护目标的客观性和准确性。

Under the condition of more severe contradiction between economy development and ecological protection, a method to determine the ecological protection objectives is proposed. We take the Kuitun River Basin as the research object, the ecological protection objectives of the basin are determined based on the principle of maximizing the sum of ecological and socio-economic values of water resources. The results show that the objective ecological and socio-economic water consumption rate are 47% and 53%, respectively. The research results have significant guiding value for the rational development and utilization of water resources in the Kuitun River Basin. The proposed method can solve the problem that the objectives of ecological protection are determined mainly based on human subjective factors at present, which usually results in that the objective of ecological protection is greatly influenced by human subjective factors and causes large errors. It can therefore improve the objectivity and accuracy in determining the ecological protection objective.