Tea is not usually eaten directly, usually brewed for drinking, but eating tea can get more nutrients than drinking tea. There are more types of tea, such as black tea, green tea, oolong tea, etc., which is mainly rich in tea polyphenols, vitamins, iron, zinc, calcium, potassium, magnesium and other minerals, drinking tea, tea can be absorbed in the water-soluble nutrients (catechins, vitamin C, amino acids). Chewing a little tea after meals every day can remove bad taste in the mouth, in addition to tea leaves can be powdered into tea pastries, tea caffeine and other substances can play some refreshing effect. It should be noted that it is not recommended to drink large quantities of strong tea for a long time, in addition, poor sleep quality of the population, should avoid drinking tea before going to bed, so as not to affect sleep.