Those who are cold in the spleen and stomach (spleen and stomach weak and cold), those who are cold in the lungs and those who have external coughs should not drink water infused with Luo Han Guo. Luo Han Guo belongs to the traditional Chinese medicine, for gourd Luo Han Guo plant Luo Han Guo dry fruit, has the effect of clearing the lungs and pharynx (clearing lung heat, clearing the throat), phlegm, cough, laxative. For the lung fire dry cough, sore throat, intestinal dryness constipation and other therapeutic effects. Clinically, Luo Han Guo is often combined with Sang Bai Pi, used for lung heat cough, phlegm yellow thick; Luo Han Guo and honey, used for intestinal constipation; with Baibi, Aster, for phlegm cough and asthma. Luo Han Guo adverse reactions, contraindications are not yet clear. It should be noted that it is contraindicated for people with spleen and stomach deficiency (spleen and stomach weakness and cold), lung cold and external cough. If there is any discomfort, it is recommended to consult a traditional Chinese medicine practitioner for standardized treatment under the guidance of evidence-based treatment, so as to avoid delays in the condition.