Drinking water of Gua Piper can have the benefits of broadening the chest, dissolving phlegm, laxative and moistening the intestines. Guayule is the mature fruit of Juniperus communis, a plant of the Cucurbitaceae family. It is sweet in taste and cold in nature, and has the effects of clearing away heat and resolving phlegm, broadening the chest and dispersing knots (relieving knots of qi in the chest), and laxative and laxative. It can be used clinically to treat chest paralysis (stuffy pain in the chest), cough with phlegm-heat, lung carbuncle, intestinal carbuncle (carbuncle occurring in the intestines and bowels, manifested by fever, pain in the right abdomen, and palpable lumps), constipation and other conditions. In daily life, piper betel in water can play the role of broadening the chest and resolving phlegm, laxative and laxative, but it can not replace the therapeutic effect of the drug. This drug should not be used in combination with aconite, the nature of this drug is cold, patients with weak spleen and stomach, should be cautious to use this drug, may have diarrhea and other reactions. Patients who need to use the drug, should be guided by a doctor, not unauthorized use of drugs to ensure the safety of the drug.