Winter melon is a low-calorie food. Generally speaking, the greater the water content of the food, the lower the calorie value, and winter melon belongs to the food with greater water content, so the calorie value is lower compared to other vegetables and fruits, only 10-20 calories per 100 grams of fresh winter melon. In addition to the advantages of low calories, modern research has found that winter melon contains substances such as malonic acid and carnosine, which can inhibit the production of body fat to a certain extent, so moderate intake during weight loss, while controlling the calories of other foods, together with some physical exercise, can help achieve the purpose of fat loss. As a high potassium and low sodium vegetable, winter melon also has a diuretic effect on swelling, suitable for people with high blood pressure, kidney disease and other types of easy edema. But eating winter melon should be avoided while consuming large amounts of red beans, barley and other foods that are also helpful for diuresis, especially at night, which can cause frequent urination, resulting in reduced sleep quality. In addition, because winter melon has a refreshing sweet taste, it is also helpful for people with heat stroke, phlegm and dryness. However, winter melon is a cold food in Chinese medicine theory, so women in the menstrual period, or people with a cold physique, should try to avoid eating too much in the short term.