In order to realize the preventive strategy of medical dispute，we must establish the mechanism of identifying the authenticity of medical record. In practice，we should give full play to the convenient advantages of people’s mediation in medical disputes，take into account fairness，and make great efforts to bring into play the professional advantages of mediation organizations，and get rid of the dependence on medical responsibility appraisal. The interpretation of medical injury in our country improves the procedure of connecting civil lawsuit with judicial appraisal，and the legislation on medical appraisal in the regulations on prevention and treatment is conducive to the formation of a benign operating mechanism of diversified competition，and enhances the scientific and neutral nature of appraisal. In the future，China’s relevant legislation should focus on the construction of judicial appraiser system，as soon as possible to formulate a unified standards and procedures for authentication.