1. Collect evidence: Before you complain, you need to collect relevant evidence to support your objection. This includes transcripts, papers, homework, exam rules and other documents. Make sure there is enough evidence to prove the objection.

2. Write a complaint letter: According to the complaint regulations, it is necessary to submit a written complaint letter to the relevant education administrative department or the Admissions Office. In the complaint letter, clearly state the objection and provide relevant evidence and supporting materials. Ensure that the complaint letter is concise and organized, express sincerity and desire for fair treatment.