Soybean milk can be drunk during menstruation, soybean milk has the following benefits: 1. Soybean milk is made from soybeans and black beans, together with other ingredients ground into a healthy drink, soybean milk is rich in protein, calcium, high-quality fatty acids, iron ions, vitamin B and other nutrients. Drinking soymilk properly during the menstrual period can improve the physical condition of the mother, improve her resistance to disease, and promote the recovery of the postnatal body. These nutrients are absorbed and utilized by the mother’s body and then enter the breast milk, improving the nutrient content in the breast milk helps to promote the physical development of the child.2. Soymilk is rich in dietary fiber, which promotes peristalsis and helps to prevent and alleviate constipation during the menstrual period.3. Soymilk has a special nutrient, plant flavonoids, which have the effect of balancing the level of estrogen and progesterone, helping to promote the postnatal ovarian function. It can help to promote the recovery of ovarian endocrine function after delivery.