The advantage of drinking cucumber juice on an empty stomach in the morning is to increase satiety and control calorie intake; the disadvantage is that drinking a large amount of cucumber juice may lead to indigestion, which may cause problems such as unbalanced nutritional intake. Cucumber juice is a drink obtained by juicing fresh cucumbers. Cucumber contains sufficient water and a little carbohydrate and other nutrients. 100 grams of cucumber contains 15 calories, of which 2.9 grams of carbohydrates, 0.8 grams of protein, 0.2 grams of fat, 15 micrograms of vitamin A, vitamin C9 milligrams, 24 milligrams of calcium, 0.5 milligrams of iron. Moderate consumption of cucumber juice provides the body with a small amount of calories as well as the above nutrients. Because of the low calorie cucumber juice, drinking it on an empty stomach in the morning can form a certain sense of satiety, reduce the intake of other calories, is conducive to calorie control, more suitable for dieters. If their own digestive capacity is relatively weak people, drinking more cucumber juice on an empty stomach, will affect the appetite, resulting in indigestion, thus affecting the intake of other nutrients, nutritional imbalance, and even cause malnutrition and other problems. It is recommended that cucumber juice be consumed with other foods, such as staple foods, eggs, etc., to maintain a balanced and comprehensive nutrition.