Abdominal breathing means moving the diaphragm up and down. Because when inhaling, the diaphragm will drop and squeeze the organs below, so the stomach will expand, not the chest. Therefore, when exhaling, the diaphragm will rise higher than usual, so you can take a deep breath and spit out more carbon dioxide that is easy to stay at the bottom of the lung.

First, expand vital capacity and improve cardiopulmonary function. It can expand the chest to the maximum extent, make the alveoli in the lower part of the lung expand and contract, let more oxygen enter the lungs, and improve the cardiopulmonary function.

Second, reduce the possibility of lung infection, especially pneumonia.

Third, it can improve the function of abdominal organs. It can improve the function of spleen and stomach, and is beneficial to soothing the liver and benefiting the gallbladder. Abdominal breathing can reduce blood pressure by reducing abdominal pressure, which is very beneficial to patients with hypertension.

Fourth, soothe the nerves and improve intelligence.

Fifth, abdominal breathing will stretch the abdominal epidermis muscles. Long-term use of abdominal breathing will lead to the increase of abdominal epidermis, which will lead to pear-shaped abdominal obesity and not easy to lose weight.