It is best not to drink juice at night. Fruits contain a lot of fructose, which easily leads to hyperglycemia and obesity. The baby's nutrition is taken from breast milk, so the quality of breast milk is very important to the baby. Although fruit juice has many benefits to human body, many things have both advantages and disadvantages. Everyone's physique is different, and the baby's digestive ability is weak, so breastfeeding mothers should drink as little as possible to avoid causing discomfort to the baby.