Nausea after practicing yoga is considered to be caused by physiological factors, but may also be caused by low blood sugar, indigestion and other disease factors. 1. Physiological factors: yoga is a form of exercise, exercise needs to consume a certain amount of oxygen, when the lungs are not enough oxygen supply may appear nausea, vomiting and other symptoms; long-term non-exercise crowd suddenly exercise intensity of yoga can stimulate the gastrointestinal smooth muscle, resulting in the emergence of nausea. Yoga immediately after meals may also cause gastrointestinal discomfort and nausea. 2. Pathological factors: indigestion, gastrointestinal function is weakened, food can not be emptied in a timely manner, at this time for yoga exercise will also cause nausea; yoga needs to consume the body’s glycogen, if there is a hypoglycemia, the sympathetic nervous system will be excited, which will further cause the symptoms of nausea. When nausea occurs after practicing yoga, it is recommended to go to the hospital after eliminating physiological factors.