Grapefruit drink generally refers to the juice made from the food grapefruit, which is a kind of pomelo. According to Chinese medicine and nutrition, grapefruit has the effect of eliminating food, resolving phlegm and sobering up. The juice can be used to relieve phlegm-heat cough, thick and yellow-colored phlegm. Grapefruit contains a certain amount of carbohydrates, vitamins and trace elements and other nutrients, including vitamin C, flavonoids content. Modern research has shown that flavonoids have the effect of reducing platelet aggregation and changing blood rheology, cardiovascular and cerebrovascular diseases and diabetes often choose to eat has a certain preventive effect. It should be noted that although grapefruit drink contains nutrients rich, but because of the cold nature of grapefruit, spleen and stomach cold people should not eat, to avoid diarrhea, abdominal pain and other gastrointestinal symptoms. It should also be noted that compared with drugs, food is weak and slow to work. Food is not generally used to treat diseases, if you have discomfort, please follow the doctor’s instructions for evidence-based treatment.