It is a sweet and bitter, slightly warm, pungent and warm but not dry, and is used to enter the lung meridian, moisten the lung, open the lung, dissolve phlegm and stop coughing and asthma, regardless of the new and long cough, cold and heat, are available. It is also used for coughing and coughing up gas and coughing up phlegm. It is pungent, warm in nature and belongs to the lung meridian. It is an important medicine for cough, moistening the lung and lowering the air, relieving cough and resolving phlegm. It is often used in conjunction with Zingiber officinale to enhance the curative effect of cough and asthma. It is used to relieve coughing in the lungs and coughing in consumption. It is often used in combination with Zingiber officinale and Zangdong Hua in compound formulas to increase the therapeutic effect. Zhang Yan, Department of Pediatrics, The First Affiliated Hospital of Henan College of Traditional Chinese Medicine, in this group of medicines, Aster is warm, bitter and phlegmatic, and is long in resolving phlegm and relieving cough; Zhan Dong Hua is pungent and warm, with a strong cough suppressing effect, and is biased toward promoting lung qi and relieving cough. The three medicines are used as a group to moisten the lung and lower the qi, resolve phlegm and stop cough. The advantage is that it dissolves phlegm without drying, moistens the lung without retaining phlegm, and has strong cough-relieving power, so it can be applied to both new and long-standing deficiency coughs. Medication Tips: In winter and spring, when the temperature changes rapidly, children mostly feel wind and cold evils, resulting in lung rebellion, cough and phlegm, and the condition is rapid and prone to violent coughs, so the selection should be based on drugs that warm the lung and dissolve phlegm and are long in relieving cough. The combination of Zingiber officinale, Zantouhua and Bupleurum can warm the lung, resolve phlegm and stop coughing, which is suitable for new coughs caused by congestion of lung gas, white phlegm and unpleasant coughing; and it is warm but not dry, with strong power to moisten the lung, which is also good for treating lung deficiency and prolonged cough and asthma.