Pregnant women can drink milk tea, but must drink less. Pregnant women occasionally drink a small amount of milk tea on the fetus will not have a significant adverse effect, so pregnant women who particularly like to drink milk tea, you can drink a little less when you can not control their desire, but be careful not to drink more, and do not drink often. If pregnant women often drink milk tea, it will lead to excessive calorie intake, the weight of the fetus grows too fast, and it is easy to have a difficult delivery. Due to the excessive calories in milk tea, if pregnant women often drink milk tea, it will increase the chances of hyperlipidemia, hypertension, diabetes and other diseases. If the milk tea contains caffeine, it can cause uterine smooth muscle excitation, which may easily lead to miscarriage or preterm labor.