In order to synthetically evaluate the groundwater disaster in mine and improve the randomness of rank-ing method relying on experience, an assessment indexes system of mine groundwater disaster and a disaster evalua-tion model were constructed. The index system of mine groundwater disaster was proposed, which had 3 rule hierar-chies and 11 disaster indexes,considering disaster inducing environment,disaster causing factor and disaster bearing body synthetically. The disaster evaluation model based on projection pursuit method was built, which realized the comprehensive evaluation of mine groundwater disaster by automatically dividing the grade and range of disaster based on concrete index data and assigning the disaster indexes by objective assignment method. The evaluation model was applied in a case of mine groundwater hazard assessment. It showed that the model can evaluate the state of mine groundwater disaster and provide reference for water hazard prevention and control, which is practical and effective.%为评价矿山地下水灾害状况，改善评价过程中依赖经验划分评价等级的随意性，构建了矿山地下水灾害评价指标体系及分级评价模型。通过综合考虑矿山地下水灾害的孕灾环境，致灾因子及承灾体整体状况，提出了一个具有3个准则层和11个灾害指标的矿山地下水灾害指标体系。基于投影寻踪方法，构建了矿山地下水灾害分级评价模型。评价模型依据具体指标数据，自动划分出灾害等级及范围，采用客观赋值法对灾害指标赋值，实现了在多元评价指标体系下的矿山地下水灾害综合评价。将该评价模型应用到具体矿山中，结果表明模型能够有效评价该矿山地下水灾害状况，具有较强的实用性和有效性，可为矿山地下水灾害防治提供参考依据。
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