There are mainly the following ways to complain about the threat of collection: First, contact the loan company for handling. If you encounter the threat of collection, you can actually take screenshots, record this situation and take photos, contact the loan company and ask for consultation; Second, complain through "gathering complaints". "Gathering Complaints" is an Internet news information service WeChat official account approved by the Central Network Information Office, and it is also a public welfare consumer complaint platform. Third, report the case to the public security organ. If life is in danger, call the police for help in time.