The official certificate is the RYT certification certificate issued by the National Yoga Federation.

To obtain the certificate of yoga instructor of the National Yoga Alliance, you need to register at the designated examination center of the National Yoga Alliance during non-pregnancy. RYT's full name is registered yoga teacher, and its abbreviation is RYT, which means certified yoga teacher. In the United States, yoga teacher training that meets certain standards is awarded by the American Yoga Aliance, a nationally recognized institution. Students who have completed this training are considered qualified to teach yoga.

Founded in the United States, 1982, the American Yoga Alliance is recognized as the most authoritative yoga certification institution in the world.

All registered yoga teachers of the National Yoga Alliance must be certified by the Alliance Certification School (YS) to be valid. Teachers who have obtained this certificate can register with the American Yoga Alliance in official website. Now the certificate is widely recognized by the yoga community, not only in the United States, but also internationally recognized as a yoga teacher qualification certificate.