The certificate issued by Shanxi Teachers' Continuing Education Association is useless. By querying the Education Bureau, it shows. The certificate issued by Shanxi Teachers' Continuing Education Association is useless. Certificates issued by trade associations are illegal and have no legal effect. At present, many associations issue certificates indiscriminately, and the state promulgated relevant laws and regulations in 2008 to clean up this phenomenon. Therefore, the certificate issued by Shanxi Teachers' Continuing Education Association is useless.