Go to the local self-study examination office, sign up for "Education" and "Psychology" and pass the exam.
Go to the local education bureau to register for the teacher qualification examination. When applying, choose one of the three options: elementary school, junior high school (junior college degree), or high school (undergraduate degree required).
Then you need to prepare for the "lecture" exam
The exam is: writing a lecture script in the morning (3 hours), and an interview in the afternoon. (You are allowed to bring designated music teaching materials and teachers’ books)
If you pass the interview, the provincial and municipal education departments will issue a teacher qualification certificate within three months.