2. Cucumber is a vegetable with water content of 96%. The calories of carbohydrates and vitamins in protein are not high, and the thermal toxicity is also very low, so eating cucumber has the function of losing weight. Cucumber is crispy and juicy, and it has the effect of relieving cough. Cucumber contains more water, including sugar, vitamin B2, vitamin C, vitamin E, phosphorus and iron. Eating too much cucumber should not cause diarrhea. Cucumber also contains alanine, arginine and glutamine, which has an auxiliary therapeutic effect on patients with liver disease.