Infants always want to take milk at night may be caused by being frightened, unfamiliar environment or long-term habits, etc. The details are as follows: 1. Being frightened, maybe just a small amount of noise for infants will make infants frightened, if infants are frightened during the daytime, they will also have nightmares at night just like adults. They will not be able to sleep at night and need to relieve their emotions through some other methods, breastfeeding is one of them. 2. Unfamiliar environment, babies face an unfamiliar environment after birth, there is no familiar things, so babies have poor adaptability and sleep, breastfeeding is the most solid behavior in their eyes. 3. Long-term habits, babies may need to eat milk before going to bed, if it is a long time to develop this bad habit, may lead to sleep always want to eat milk, it is recommended that before going to bed you can feed a little bit of appropriate complementary food to improve this bad habit. The baby always want to eat milk at night, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause, under the guidance of the doctor to give targeted treatment or treatment.