Lemon has no special effects, but can be consumed in moderation on a daily basis. Every 100g of lemon contains 91.0g of water, 1.1g of protein, 6.2g of carbohydrates, 22.0mg of vitamin C, 209mg of potassium, 101mg of calcium and so on. Lemon does not have the efficacy of treating diseases, so it can not achieve the purpose of treating diseases or improving the symptoms of discomfort. Vitamin C in lemons has antioxidant effects, while people eat lemons in moderation can replenish the nutrients needed by the organism and also provide energy. It is worth noting that lemon is acidic food, gastritis, peptic ulcer and other stomach diseases should be avoided in large quantities. It is recommended to eat lemons in moderation on a daily basis, but long-term and large quantities of lemons should be avoided. People can also eat other fresh fruits such as apples, bananas, kiwis and strawberries on a daily basis.