The practice level and ability of the main body of forensic appraisal implementation is directly linked to the quality and even the correctness of the appraisal opinion. The key factors affecting the credibility of forensic appraisal in China at the present stage, such as low entry threshold, lack of dynamic supervision and imperfect exit channels, are analysed in depth, taking forensic appraisal practitioners as the entry point. By constructing a “full life cycle” supervision model for forensic appraisal implementation subjects, we further implement measures such as strict access, enhanced dynamic supervision, broadened exit channels, and “legal-industrial combination” to consolidate the talent pool, thereby realising full supervision from the source, in order to The government has also been working on the development of a new model for the supervision of judicial appraisal.