It regulates Qi and strengthens the spleen, regulates the middle, dries up dampness, and resolves phlegm. It is mainly used to treat abdominal distension or pain and indigestion caused by stagnation of Qi in the spleen and stomach. It is mainly used to treat chest tightness, abdominal distension, poor appetite and loose stools caused by dampness blocking the middle. It is mainly used to treat cough and asthma caused by phlegm and dampness blocking the lungs.