Earth melon has a cough, dehumidification, clearing heat and other effects, spleen and stomach weakness and pregnant women should be cautious or avoid using earth melon. Tucua is the tuberous root of mountain tucua in the genus Fishweed of the family Cyclophyllaceae. Taste sweet, light, flat. Into the liver, lung, spleen meridian. It has the effect of clearing heat, removing dampness, relieving cough and strengthening the spleen. The main treatment for jaundice, chronic hepatitis, lung heat cough, blood, bring down, breast milk, pediatric chancre (a chronic disease of children, manifested as emaciation, eating abnormalities, abdominal distension, hair thinning and yellowing, etc.), scalded by water and fire. Tugua is cold in nature, so it should be used with caution or avoided in pregnant women with weak spleen and stomach. Patients are advised to take it under the guidance of a professional Chinese medicine practitioner to avoid using it privately, which may lead to adverse effects.