Efficacy: nourishing yin and clearing lung, resolving phlegm and relieving cough, benefiting stomach and promoting fluid production. \x0d\ Function: It has cardiotonic effect, obvious continuous expectorant effect and inhibitory effect on skin fungi. \x0d\ Usage and dosage: oral decoction 9 ~ 15g, fresh decoction 15 ~ 30g. \x0d\ Note that it cannot be used with Veratrum nigrum. Use with caution for people with cough due to wind-cold.