[Objective] The evaluation index system

evaluation model and evaluation standard of water and soil conservation benefits were studied

in order to provide technical support for the performance evaluation and post implementation effect evaluation of national key projects of water and soil conservation.[Methods] The frequency analysis method was used to screen the evaluation indexes

and the analytic hierarchy process was used to determine the index weight.[Results] The evaluation index system of the benefits of national soil and water conservation projects was proposed

and the comprehensive evaluation model was established. The model included 15 indicators in five categories:soil fixation and protection

water conservation

ecological improvement

income increase

disaster prevention and reduction. Based on this

the evaluation criteria was proposed including:excellent

good

slow improvement

deterioration and extreme deterioration.[Conclusion] The comprehensive evaluation model for soil and water conservation benefit evaluation covers many factors such as ecology

economy and society

and it also covers the interaction relationship between different factors

which can provide intuitive

comprehensive and quantifiable evaluation results for the implementation effects of national key soil and water conservation projects.