A relatively high urine output after drinking tea is usually normal. Tea contains a lot of water, tea polyphenols, caffeine, vitamins, etc. Caffeine excites the sympathetic nerves, so that the relative increase in urine volume. Urination is the process by which the kidneys filter urine and metabolic wastes such as urea and excrete them out of the body, and an increase in urine volume is beneficial to the detoxification of the body. Drinking tea after the increase in water content, will be excreted through the urine, the amount of urine will increase; in addition, tea contains caffeine will excite the sympathetic nerves, resulting in an increase in blood pressure, blood pressure rises, thus producing diuretic effect. Tea contains a lot of water, tea polyphenols, caffeine, vitamins, etc., moderate consumption of tea on the human body’s health has certain benefits. If you find that the amount of urine is obviously abnormal should go to the hospital in a timely manner, under the guidance of a professional physician to clarify the cause, timely treatment.