Fishweed decoction can be used to treat coughs, usually with other cough medication together with the decoction. Fishy grass is pungent, slightly cold, into the lung meridian, with heat detoxification (clear the body of heat and toxicity), carbuncle pus (eliminating carbuncle, discharge pus), diuretic (to improve the urine dribbling, urinary volume of the problem), clinically used to treat carbuncle pus, phlegm, hot, hot dysentery, carbuncle sores and sores, and so on. Adverse reactions such as dizziness and gastrointestinal discomfort may occur in some patients taking Fritillaria. Contraindications are not clear. Although fishweed decoction can treat cough caused by lung heat. However, it is still recommended that patients should consult a Chinese medicine practitioner for symptomatic treatment of cough, and should not blindly use medication on their own to avoid delaying their condition.