饮茶有止渴、消食、化痰、利尿、明目、益思、除烦、去腻等功效 ,并能辅助防治多种疾病。但饮茶不当也会产生不良后果。如空腹饮茶伤肠胃 ;睡前喝多了茶会失眠 ;饮浓茶过多容易引起便秘等。所以 ,饮茶的时间和数量应很好注意。祖国医学认为 ,春夏秋冬四季各喝什么茶 ,也应讲究? Tea quench thirst, digestion, phlegm, diuretic, eyesight, beneficial thinking, Chufan, to greasy and other effects, and can help control a variety of diseases. However, improper drinking tea will have adverse consequences. Such as fasting drink tea stomach; drink more tea before going to bed will be insomnia; drinking too much tea can easily cause constipation. Therefore, the time and amount of tea should be well observed. Chinese medicine believes that the spring, summer, autumn and winter drink what tea, should also pay attention?