Drinking corn husk water in moderation during late pregnancy has certain benefits, but corn husk, as a type of herbal medicine, may have some adverse effects along with its beneficial effects. It is important to drink it properly to achieve the desired effect. Corn husk water has a certain role in regulating the metabolism of blood sugar, and pregnant women with high blood sugar levels during pregnancy should drink corn husk water in moderation to control their blood sugar index. Through its diuretic effect, corn husk water can promote the excretion of sodium ions in the body, which has a certain effect on the control of blood pressure. Women with high blood pressure during pregnancy can drink corn husk water appropriately. Corn husk water has the effect of promoting the secretion and excretion of bile. Drinking corn husk water in moderation during late pregnancy can effectively prevent and relieve jaundice after the birth of the baby.