It comes from Artemisia oxeroides Thunb., a plant of Artemisia in Compositae, and is used as a whole herb. Collect whole grass in summer and autumn, and use it fresh or dry it in the sun.

Pungent and warm in nature.

Functions mainly include relieving cough, resolving phlegm and relieving asthma. Used for chronic bronchitis.

Usage and dosage: 3 ~ 5 RMB, soak in 47.5% ethanol for 14 days, then concentrate to 30ml, three times a day, each time10ml.

Excerpt from "National Compilation of Chinese Herbal Medicine"