The efficacy and function of Ze Cai is to move water to eliminate swelling, dissolve phlegm and relieve cough, etc. The method of consumption is to be decocted, boiled in paste, or put into pills and powder. Zephyr is pungent, bitter and slightly cold in nature. It is used as medicine for the whole herb of Zephyr, which is a plant of Euphorbiaceae family, and has the effects of promoting water circulation, eliminating swelling, resolving phlegm and relieving cough, and detoxicating and killing worms. It is mainly used for treating water-qi swelling and fullness (edema, shortness of breath and fullness of breath), phlegm (pathological product formed by water-liquid metabolism obstacle) wheezing and coughing, malaria, bacillary dysentery, scrofula (mainly refers to cervical lymph node tuberculosis), tuberculous fistula, osteomyelitis, etc. It can be decocted with water to eliminate swelling. Zephyr can be either decocted with water, boiled in a paste or put into pills or powder, but it should be noted that it should be used with caution for people with weak qi and blood, spleen and stomach. The use of medication should be under the guidance of a doctor, self-medication is not recommended.