Exhaled breathing refers to the qigong exercise method of adjusting the functions of various parts of the body by exhaling turbid qi and inhaling clear qi, or accompanying pronunciation. The practice is to use the total inhalation breathing method, first exhale, then naturally relax the abdomen, then inhale to open the lungs, and then exhale slowly to strengthen the exhalation process. The key is breathing. This method has obvious effects on relieving fatigue, refreshing, adjusting the deviation of five internal organs and regulating meridians to some extent.

Scientific principles?

Needless to say, deep breathing is a healthy exercise in itself. Deep breathing is relative to normal "shallow" breathing. From the point of view of fitness, deep breathing strengthens the supply of oxygen and discharges a lot of carbon dioxide, which plays a great role in strengthening the body and eliminating diseases during the metabolic exchange of the human body. ?

Refer to the above content: Baidu Encyclopedia-Breathing Method