Luo Han Guo is used as a decoction for lung-heat dry cough. Its treatment of cough has nothing to do with the method of decoction, and better results can only be achieved by recognizing the evidence. Luo Han Guo is the fruit of Cucurbitaceae plant Luo Han Guo, sweet in taste, cool in nature, belonging to the lung and large intestine meridian. This product has the effect of clearing heat and moistening the lungs (removing heat to moisturize the lungs), facilitating the pharynx and opening the voice, and moistening the intestines and laxatives. It is suitable for dry cough with little phlegm due to lung heat, sore throat, loss of voice, intestinal dryness and constipation. The adverse reactions and contraindications of Luo Han Guo are not clear. This product is cool in nature, easy to hurt the spleen and stomach yang qi, and should not be taken by people with spleen and stomach deficiency and cold (spleen and stomach weakness and cold). If you feel unwell, you should go to a regular medical institution in time and follow the doctor’s instructions to standardize the treatment, do not blindly self-medicate to avoid delaying the condition.