Yoga (English: yoga, Hindi:) is a Chinese vocabulary, which originated from Indian Sanskrit "yug" or "yuji", meaning "consistency", "combination" or "harmony". Yoga originated in ancient India, one of the six philosophical schools in ancient India. It explores the truth and method of "the unity of Brahma and Me". What modern people call yoga is mainly a series of methods to cultivate one's self-cultivation.

Yoga is divided into two categories: one is classical yoga, the other is modern yoga, and now it also includes upright yoga.

Yoga is not only a popular or fashionable fitness exercise. Yoga is a very ancient energy knowledge cultivation method, which integrates philosophy, science and art. Yoga is based on ancient Indian philosophy. For thousands of years, psychology, body and spirit have become an important part of Indian culture. Ancient yoga believers developed a yoga system because they believed that by exercising and regulating breathing, they could control their thoughts and emotions and maintain a healthy body.