Licorice, Luo Han Guo and fat sea water boiled together, can treat cough, can clear heat, cough, this combination can also treat constipation, Luo Han Guo is a sweet and cool non-toxic, into the lung meridian, also into the spleen meridian, there is the effect of clearing the lungs and moistening the intestines, while the fat sea is also a dry and cool products, but also clear the lungs, heat, phlegm, and fat sea water can be used for intestinal dryness of constipation. Glycyrrhiza glabra is a heat-clearing and detoxifying herb, which can be used for coughing and phlegm, and has the effect of resolving phlegm, and at the same time, Glycyrrhiza glabra can also treat swelling of the throat. These three medicines can be used to treat coughs, as well as hoarseness of the pharynx and sore throat, and can also be used for whooping cough and constipation of dryness of the intestines.