Linggan Wuwei Jiangxin Decoction consists of Poria, Glycyrrhiza, Zingiberis Rhizoma, Asari and Schisandra chinensis. It has the function of warming the lungs and dissolving the drink, and treating cough with cold drinks. Xiaoqinglong Decoction consists of Herba Ephedrae, Radix Paeoniae Alba, Asari, Rhizoma Zingiberis, Radix Glycyrrhizae, Ramulus Cinnamomi, Fructus Schisandrae Chinensis and Rhizoma Pinelliae. It has the effects of relieving exterior syndrome, dispelling cold, warming lung and relieving hangover, and is used for exterior syndrome of cold and internal drinking. After taking Linggan Wuwei Jiangxin decoction and Xiaozhonglong decoction, the cough is relieved, but the breath of people rushes upward, and the breath rushes from the lower abdomen to the chest and pharynx. After taking Guiling Wuwei Glycyrrhiza Decoction, the breath is gentle, but the cough is aggravated and the chest is full, which belongs to the reform of Xiaoqinglong Decoction. Because the syndrome has no exterior cold and the qi is flat, ephedra and cassia twig are not used to relieve exterior cold; Cold drink still exists, so dry ginger and asarum are still used to warm the lungs and dispel cold and dissolve the drink; Because of the heavy drinking evil, it is used together with Poria, which strengthens the spleen and oozes dampness, and is the source of phlegm.