1, national policies and laws clearly stipulate that teachers in training institutions need to have corresponding teacher qualifications. Therefore, teachers in training institutions no longer need the employment certificate issued by Ministry of Human Resources and Social Security, but need to obtain the corresponding teacher qualification certificate.

2. There are overlaps and conflicts between teachers' employment certificates of training institutions and other vocational qualification certificates issued by Ministry of Human Resources and Social Security.

3. Teachers' certificates in training institutions have some limitations, which cannot fully reflect teachers' professional quality and teaching ability. Therefore, the cancellation of the certificate is conducive to promoting the professional development of teachers and improving their overall quality.