This recipe is called "Sanzi Yangqin Decoction", which is also a medicine for treating Taiyin in hands and feet. White mustard seeds remove phlegm, perilla seeds promote qi, and radish seeds help digestion. However, all drugs are used to clear qi and phlegm, and qi can reduce fire and eliminate phlegm. Sanziyangqin decoction has a good therapeutic effect on patients with phlegm-dampness cold syndrome during asthma attack. Clinically, it is often used for chronic bronchitis, bronchopneumonia, emphysema, pulmonary interstitial fibrosis, pulmonary heart disease, allergic asthma and other diseases.