1. Take a deep breath: when taking a deep breath, inflate your abdomen first and then your chest. After reaching the limit, hold your breath for a few seconds and exhale gradually. When exhaling, contract the chest first, then the abdomen, and try to expel the gas from the lungs.

2, abdominal breathing: abdominal breathing is to let the diaphragm move up and down.

Second, the advantages are different.

1, deep breathing: Deep breathing can make people's chest, abdominal muscles and organs move to a greater extent, inhale more oxygen, spit out carbon dioxide, strengthen blood circulation, and help relieve fatigue and relax.

2, abdominal breathing: when exhaling, the diaphragm will be higher than usual, you can take a deep breath and spit out more carbon dioxide that is easy to stagnate at the bottom of the lung.

Third, the characteristics are different.

1, deep breathing: combination of chest and abdomen breathing.

2, abdominal breathing: make the diaphragm move up and down.

Baidu encyclopedia-take a deep breath

Baidu encyclopedia-abdominal breathing