In principle, pregnant women can drink tea, but the composition of the tea is special, the tea drink is also very much, not necessarily all the tea is suitable for pregnant women to drink. First, pregnant women are more suitable for drinking tea green tea, flower tea, fruit tea, etc., and not suitable for drinking black tea. Green tea contains more zinc, vitamin C components, can strengthen the function of the heart and kidneys to promote blood circulation, can reduce edema during pregnancy. Pregnant women may cause excitement after drinking black tea, at this time we recommend not to drink black tea; second, we have to drink tea to avoid tea too thick, if the tea ingredients are too thick may cause excitement, poor rest, accelerated heartbeat, increased urination, increased blood circulation, will cause a burden on the heart and kidneys of pregnant women, is not conducive to fetal growth and development; third, there may be some theophylline, tannic acid and other ingredients inside the tea. Tannic acid can be combined with the iron in the body of pregnant women, affecting the absorption of iron, may lead to anemia during pregnancy, while the fetus in the body may also occur physiological anemia, so we do not drink tea too strong and the amount should not be too large.