茶叶内含有多种维生素、氨基酸等有益于人体健康的营养成分,饮茶具有生津止渴,清心明目,解腻化滞,清凉解暑,消除疲劳之效果。但并非人人都能饮用,下列人群就不宜饮用。贫血尤其是缺铁性贫血的人不宜饮茶。因为茶叶中的鞣酸可以与治疗贫血的硫酸亚铁结合成不能被人体吸收的沉淀 Tea contains a variety of vitamins, amino acids and other nutrients beneficial to human health, drinking tea with thirst, clear eyesight, greasy stagnation, refreshing, relieve fatigue effects. But not everyone can drink, the following groups should not drink. People with anemia, especially iron deficiency anemia, should not drink tea. Because the tannic acid in tea can be combined with the treatment of anemia of ferrous sulfate can not be absorbed by human body precipitation