1. Communicate directly with the teacher: If you are not satisfied with the teacher's teaching method, teaching content or attitude, you can communicate directly with the teacher first to express your opinions.
2. Report to the college leaders: If the communication with the teacher is ineffective, or you think that the teacher's behavior has been suspected of violating the school rules and regulations, you can report to the college leaders for help and support.
3. Complain to the school: If the college leaders can't solve the problem, or you think that the teacher's behavior has been suspected of breaking the law, you can complain to the school.
4. Complain to the education department: If the above methods can't solve the problem, or you think the school can't handle the complaint fairly, you can complain to the local education department.