Drinking green tea after meals has the benefit of replenishing vitamin C and other nutrients and providing hydration. Green tea is unfermented tea that retains the natural substances of fresh leaves. Every 100 grams of green tea (dry) contains 328 kilocalories of energy, 34.2 grams of protein, 50.3 grams of carbohydrates, 325 milligrams of calcium, 1,661 milligrams of potassium, 32.6 milligrams of manganese, 19 milligrams of vitamin C and other nutrients. Drinking green tea in moderation after meals can replenish the body with needed nutrients and provide water. Green tea is refreshing and natural, and drinking it after meals also has a certain effect on relieving fatigue. However, because green tea contains caffeine, it will make people in a state of excitement, easy to affect the sleep, so it is not recommended to drink before going to bed, nor is it recommended to drink a lot. Drinking green tea after meals can only help the body to replenish nutrients and provide water, and does not have the effect of treating diseases, if you need to treat diseases, it is recommended to go to a regular hospital.