Women can drink black soybean milk during menstruation. Black soybean milk is rich in high-quality protein and contains many vitamins, and women can drink black soybean milk during their periods to supplement their nutrition. Black soybean milk has iron, copper and other nutrients, and drinking black soybean milk during menstruation can prevent anemia as well as low blood pressure. Women who drink black soybean milk during menstruation can also significantly improve their mental and physical health, delay skin aging, and the phytoestrogens contained in black soybean milk can also regulate the female endocrine system. Women drinking black soy milk can also play a beauty effect, menstruation is the best time for skin care, so drinking black soy milk during menstruation is very suitable.