Prescription names: coltsfoot flower, winter flower, honey-zhi coltsfoot flower, zhi-zhi coltsfoot. Its nature, flavor and meridian distribution: pungent, warm, enters the lung meridian.

Efficacy: Resolving phlegm and relieving cough.

Clinical application: It has a good effect of resolving phlegm and relieving cough. It is often used together with aster to treat cough or chronic cough. It has the effect of eliminating phlegm and lowering qi. Because coltsfoot flowers are warm in nature, they are suitable for cold coughs.

Dosage and usage: 3~9 grams, decoction in water.

2. Aster

Prescription names: aster, aster velvet, aster head, roasted aster, honey-roasted aster. Nature, flavor and meridians: pungent, bitter, warm, human lung meridian.

Efficacy: Resolving phlegm and relieving cough.

Clinical application: Aster is warm in nature but not hot, and moist in texture but not dry. Therefore, it can be used to treat cough symptoms, regardless of external infection or internal injury, cold cough or hot cough. It is a phlegm-relieving and cough-relieving agent. Ask for medicine. It can be used with Bai Qian, Platycodon, Licorice, etc. to treat cough with qi reflux and phlegm discomfort; to treat chronic cough due to lung deficiency and bloody sputum, it can often be used with coltsfoot, Fritillary fritillary, Ophiopogon japonicus, and donkey-hide gelatin.

Dosage and usage: 3~9 grams, decoction in water.

3. Baibu

Prescription name: Baibu, steamed Baibu, and roasted Baibu.

Nature, flavor and meridians: sweet, bitter, slightly cold, human lung meridian.

Efficacy: Moisten the lungs and relieve cough, kill lice and insecticides.

Clinical application: used for general cough, persistent cough, whooping cough and tuberculosis cough. It is a commonly used cough medicine. It can be used for new coughs, long-term coughs, cold coughs, and hot coughs. It is also used to kill pinworms, head lice, body lice, etc.

Dosage and usage: 3~9 grams, decoction in water. Appropriate amount for external use.