Objective To build an evaluation index system for emergency medical assistance capability of the hospitals and provide an evaluation means for hospital capability of emergency medical assistance(HCEMA).Methods Literature search,free interview,expert consultation,and analytic hierarchy process(AHP).were used to build an evaluation index system for emergency medical assistance capability of the hospitals Results The HCEMA evaluation system consists of 5 grade-1 indexes and 16 grade-2 indexes.Conclusion The evaluation system applies to evaluating the capability of medical rescue assistance of hospitals with varying types and gradas,as the evaluating indexes meet the demands satisfactorily.