Soymilk can be consumed during menstruation. Soymilk is rich in plant proteins, vitamins and trace elements, which can provide maternal nutrition, but in moderation. Soymilk is made from ground soybeans and is rich in plant proteins that can be absorbed by the body, with little fat content, making it especially suitable for mothers who are sitting in the womb. Soymilk is rich in trace elements such as calcium, phosphorus, iron, and a variety of vitamins, which can supplement maternal nutrition, especially lactating mothers can give these nutrients to the baby through breast milk to promote the growth and development of the baby. However, after drinking too much soy milk can easily lead to stomach bloating and indigestion, need to drink in moderation. Therefore, during the monthly period, we should pay attention to nutritional balance, eat more high-protein, high-vitamin food.