3 written expression is flawed or misspelled, but it does not affect the judicial expertise. Article 2 It is the principle to correct the original appraisal opinion, but it is an exception to issue a separate supplementary explanation. In addition, there should be more than one appraiser to sign the correction. Article 3 The correction shall not change the original intention of expert opinions. Change 6: The appearance of judicial appraisers in court is an independent chapter. The revised general rules separately stipulate the appearance of appraisers in court in Chapter V, with four articles in total. Stiffness and pragmatism are obvious, although some lack new ideas, but it is still conducive to the correct conduct of judicial expertise. The General Principles of Judicial Appraisal provides opinions and codes of conduct for judicial appraisal procedures of various cases, so that judicial appraisal can be carried out within a reasonable range, which is conducive to social fairness and justice.