Pregnant women during pregnancy can not drink tea with the effect of activating blood stasis and tea containing substances such as caffeine and tea polyphenols, herbal tea, strong tea, etc., for the following reasons: 1, tea that activates blood stasis: such as safflower tea, because safflower tea has the effect of activating blood and warming the meridians, vaginal bleeding may occur, and in severe cases, premature labor and preterm abortion may occur; 2, tea containing caffeine and tea polyphenols, etc. substances: such as osmanthus tea, peach blossom tea, moonflower tea, snow lotus tea, cassia tea, pu-erh tea, etc., because caffeine and tea polyphenols and other substances are likely to cause uterine contractions, increasing the chances of miscarriage, but also may increase the burden on the kidneys, sleep quality and iron deficiency anemia and other symptoms, and even cause fetal stunted growth; 3, herbal tea: some pregnant women’s physique is poor, herbal tea is cold Food, drinking improper risk of miscarriage; 4, strong tea: strong tea will lead to brain nerve excitement, may stimulate the fetus, resulting in fetal movement, and even affect the development of the fetus. After pregnancy, the diet needs special attention, for tea drinks, it is recommended to choose carefully.