Drinking tea is also known as tea, common tea for black tea, green tea, flower tea, etc., moderate drinking tea for the human body can exist certain benefits, can refresh the brain, promote fat decomposition. However, it should be noted that tea should not be drunk in excess, and children, anemia, gastritis, gastric ulcer and urinary stones patients should not drink tea, so as not to cause adverse consequences. The benefits and disadvantages of drinking tea on the body include: a. Benefits: 1, moderate drinking tea can quench thirst, especially in the summer, moderate drinking warm tea is good for the summer heat; 2, caffeine and other ingredients in tea can help fat decomposition, thus playing a fat and greasy effect, especially in the intake of more beef and lamb, beef and sheep milk and other animal fats and proteins, tea is better for greasy effect; 3, the caffeine contained in tea, can excite Central nervous system, thus playing a refreshing effect; 4, in the brewing of tea, drinking tea in between helps to delight the mood, meditation. Second, the disadvantages: for patients with poor gastrointestinal function, especially the presence of gastritis, gastric ulcer and other lesions after drinking tea may stimulate the gastrointestinal mucosa, causing or aggravating gastrointestinal lesions. In addition, drinking tea before bed or for patients prone to insomnia and neurasthenia, drinking tea may lead to insomnia or make insomnia symptoms worse. There are some patients like to drink strong tea or a lot of tea, easy to cause discomfort, such as dilution of gastric juice, diarrhea, iron absorption disorders, etc..