Luo Han Guo brewing water should be used to brew boiling water, but the effective components of the brewing water to drink is limited, generally not up to the therapeutic effect. Luo Han Guo use methods have boiling water brewing, select the right amount of Luo Han Guo, put into a cup, fill with the right amount of boiling water, brewing needs to be covered with a cup lid, smothered for 5 minutes, and then you can drink. Luo Han Guo is cool in nature, sweet in taste, and belongs to the lung meridian and large intestine meridian. It has the effect of facilitating the pharynx and opening the voice, moisturizing the lungs and clearing heat, and laxative and slippery intestines. It is used for lung-heat dry cough, loss of voice, sore throat, intestinal dryness and constipation. Can be combined with other traditional Chinese medicine decoction for internal use. Luo Han Guo is used for coughing and wheezing with lung-heat and yellow phlegm, it can be used with Sang Bai Pi and Bai Bu to clear lung-heat. For intestinal dryness and constipation, it can be combined with honey to moisten the intestines and laxative. Luo Han Guo is contraindicated in people with external cough and cold lung. The adverse effects of the above drugs are not clear. Patients who are not feeling well are advised to consult a doctor in time, and should not use the medication by themselves, but should use the medication reasonably under the guidance of a doctor.