Winterflower has the effect of moistening the lungs and lowering the qi (nourishing the lungs and making the upward lung qi descend), relieving cough and resolving phlegm. Clinically, it has the effect of treating new and prolonged cough, wheezing and coughing with much phlegm and coughing up blood with labor. Winterflower is pungent, slightly bitter and warm. To the lung meridian, can moisten the lung down the gas, cough phlegm, with the removal of phlegm, moisten the heart and lungs, benefit the characteristics of the five organs, can be used for a new long cough, wheezing cough phlegm, and labor cough coughing and blood, in addition, for the lung carbuncle spitting pus, impotence and vomiting of blood also has a certain therapeutic effect. In the use of contraindications and precautions, burnt lung fire, Yin deficiency labor cough should not be used. As a Chinese medicine, the clinical application needs to pay attention to a lot of places, must be under the guidance of a professional physician, follow the doctor’s instructions to take, do not use on their own.