Reverse abdominal breathing is relative to cis-abdominal breathing, mainly in the human body when inhaling gently contract the abdominal muscles, so that they retract or depression. In the exhale and slowly relax the abdominal wall muscles, the abdominal wall again, this way of breathing is a special type of abdominal breathing, through this way to exercise the body’s respiratory function. Reverse abdominal breathing can relatively inhale more oxygen, can enhance the body’s utilization of oxygen, and can be used for bronchitis, chronic obstructive pulmonary emphysema and other chronic respiratory diseases as an aid to treatment. By exercising the body’s respiratory function through reverse abdominal breathing, the lung function can be further improved, and the heart function can also be further improved.