1. First, collect any evidence about the paper writing agency, such as transaction records, emails, chat records, contracts, etc. This evidence will help to support this report.

2. Contact the education department or academic institutions, and usually deal with academic misconduct seriously and provide corresponding punishment measures.

3. Collect all necessary evidence and submit the report to relevant institutions. Before submitting the report, make sure to explain the problem in detail and provide all relevant evidence and information. Report papers to writing institutions.