Milk tea has a certain nutritional effect on pregnant women. Milk tea contains high quality protein that can supplement the nutrition needed for fetal development and relieve the symptoms of fatigue and weakness during pregnancy. Milk tea contains calcium, which can prevent osteoporosis and promote fetal bone development. Because milk tea contains high calories, if pregnant women drink it for a long time and in large quantities, it will cause the accumulation of calories in the body and produce a huge baby. Drinking milk tea will produce a sense of satiety and affect the intake of other nutritious foods, leading to nutritional imbalance. Milk tea contains caffeine that will stimulate the nerves of pregnant women, producing anxiety and sleep disorders. Drinking milk tea for a long time during pregnancy will affect the development of the fetus, so you can drink milk tea once in a while and in small amounts during pregnancy, but it is not recommended to drink a lot.