Severe inflammatory processes, mental illnesses and disorders. Air retain is strictly prohibited if there is a tendency to hypertension. In case of having any chronic diseases please consult your doctor.
严重炎症、精神疾病及精神障碍者。及有高血压和精神紧张倾向者，禁止闭气练习。如有任何慢性疾病敬请咨询您的医生。