Legal analysis: the national judicial department has a charging standard, which is referenced by all localities. The handwriting identification is in 1 yuan, and the fingerprint is in 8 yuan. Different localities have different charging conditions according to the situation, and they also charge according to the proportion of the litigation object.

legal basis: article 76 of the civil procedure law of the people's Republic of China

the parties concerned may apply to the people's court for an appraisal on the specialized issue of finding out the facts. Where a party applies for appraisal, it shall be determined by both parties through consultation that a qualified appraiser fails to negotiate, and it shall be designated by the people's court. If the parties concerned do not apply for appraisal, and the people's court deems it necessary to appraise the specialized issues, it shall entrust a qualified appraiser for appraisal.

article 77 an appraiser has the right to know the case materials needed for the appraisal, and may ask the parties and witnesses when necessary. The appraiser shall put forward a written appraisal opinion and sign or seal the appraisal book.

article 78 if the parties have objections to the expert opinion or the people's court considers it necessary for the expert to appear in court, the expert shall testify in court. If the appraiser refuses to testify in court after being notified by the people's court, the appraisal opinion shall not be used as the basis for ascertaining the facts. The party who paid the appraisal fee may request the return of the appraisal fee.

article 79 a party may apply to the people's court to notify a person with specialized knowledge to appear in court and give opinions on the expert opinions or professional problems made by the expert witnesses.