Astragalus complanatus enters the lung meridian in a warm manner. It has the effects of relieving cough, resolving phlegm, and relieving asthma. It is used for cold, cough due to fatigue, and chronic cough and asthma. The laver can warm into the lung meridian, and has the effects of relieving cough, resolving phlegm, and relieving asthma. It is used to treat colds. Cold cold has the symptoms of stuffy nose, clear runny nose, cough, cough and expectoration. Cough, asthma, chest tightness, suffocation, asthma, accompanied by cough, white tongue coating. Astragalus has the functions of relieving cough, relieving asthma and eliminating phlegm, so it is suitable to use it when cough and wheezing are accompanied by sputum, and the sputum must be caused by cold. In addition, Aster also has the effect of treating cough due to fatigue. Aster can also be used for chronic cough and asthma.