1. Yoga training institutions: Many yoga training institutions offer yoga instructor training courses and issue corresponding certificates. You can choose to attend training courses in these institutions, learn yoga theory, teaching skills and practical experience, and finally get a yoga instructor certificate.

2. International Yoga Alliance: The International Yoga Alliance is an international yoga education and certification institution that provides global yoga instructor training certification. Attend its recognized training courses and pass the exam, and you can get the certificate of yoga instructor recognized by the International Yoga Union.