The Luo Han Guo is a perennial vine plant of the Cucurbitaceae family, produced in Guangxi and Guangdong. Fruit nearly round, slightly like an egg, dry fruit skin thin and crisp, Chinese medicine used in medicine. Luo Han Guo contains Luo Han Guo glycosides, amino acids and fructose and flavonoids. Its sweetness is about 200 times higher than table sugar, its sweet substances and anti-cancer, anti-cancer effect, the effect of Luo Han Guo, moistening the lungs to relieve cough, clearing summer heat, cool blood and intestines, used for lung dryness and cough, dry and sore throat, summer heat and thirst, blood dryness and constipation. Luo Han Guo 1 peeled, even skin with meat with boiling water for tea, taste sweet and mellow, 1 dose per day, for chronic pharyngitis.