-Selecting appropriate reviewers: Select experts related to the topic of the paper to review the paper, and these experts should have sufficient professional knowledge to understand and evaluate the quality of the paper.

-Ensure the authenticity of the paper: external auditors should respect the originality of the paper and must not copy or copy other people's papers without authorization.

-Strict enforcement of academic ethics: External auditors should carefully examine papers according to their contents, ensure their authenticity and strictly enforce academic ethics.

-Give clear external audit opinions: external audit experts should make a comprehensive and detailed evaluation of the papers and give clear external audit opinions.