Objective To evaluate the research input-output efficiency of 15 medical universities,and provide references for improving synthetic research efficiency.Methods Selected research input-output key indicators,and used CCR model and SE-DEA model to statistic and analyze.Results The average value of comprehensive efficiency of 15 medical universities was 0.811,pure technical efficiency value was 0.978,scale efficiency value was 0.827.There were 5 DEA efficient universities,7 pure technical efficient universities among 10 Non-DEA efficient universities.Conclusion The total research efficiency of medical universities in our country remained to improve,and should emphasize adjusting scientific research scale.