Black soybean milk is rich in high quality protein and trace elements such as calcium, iron and phosphorus, which can supplement nutrients for pregnant women. However, avoid drinking too much at one time, or it will easily lead to indigestion. The protein content in black soybean milk is relatively high, in addition to calcium, iron, phosphorus and other trace elements, pregnant women can take these nutrients from black soybean milk after taking black soybean milk. And black soybean milk is also rich in riboflavin, which is conducive to the development of fetal vision. The nutrients in black soybean milk are favorable to the development of the pregnant woman herself and the fetus. However, it should be noted that pregnant women should not drink too much black soybean milk at one time, because black soybean milk is easy to lead to bloating, and drinking too much at one time may lead to indigestion manifestations in pregnant women.