《刑事诉讼法》第 119条规定 :“为了查明案情 ,需要解决案件中某些专门性问题的时候 ,应当指派、聘请有专门知识的人进行鉴定。”人身伤害案件中伤者的伤情是确定案件性质和对致害人定罪量刑的主要证据。但由于我国目前证据立法滞后 ,鉴定标准不完善 ,导致鉴定结论变更率较大 Article 119 of the Code of Criminal Procedure stipulates: “In order to find out the merits of the case and to resolve some of the specific problems in the case, it should be assigned and hired persons with specialized knowledge to conduct the appraisal.” Injuries in the Personal Injury Case are The main evidence to determine the nature of the case and the conviction of the victim. However, due to the current legislation lags behind in our country, the appraisal standard is not perfect, which leads to a large change rate of appraisal conclusion