Winter melon seeds contain fatty oil, adenine, protein, sugar, vitamins (Bl, B2), nicotinic acid and trigonelline. Sweet and cold in nature, it has the effects of clearing away lung heat, resolving phlegm and discharging pus. Decocting in water or baking and grinding into powder can treat lung carbuncle, intestinal carbuncle, vexed cough and gonorrhea. For example, winter melon seeds are used in reed stem soup for treating lung abscess and rhubarb peony bark soup for treating intestinal abscess. The general dosage is10 ~15g.