It is recommended that pregnant women take it twice a week from the 32nd trimester until full term. Because of the late pregnancy placenta gathered a large number of fetal discharge of toxins, and the pregnant woman itself is hot, prone to eczema, and the fetus is also prone to jaundice or rash after birth, it is recommended to take corn bean boiled water to remove fetal toxins in late pregnancy. Because corn beard has a diuretic, swelling effect, can promote the body of pregnant women toxic, harmful substances, so as to achieve the purpose of eliminating poison. The method is to wash the corn husk thoroughly, boil water and drink, if you feel difficult to swallow, you can add a small amount of sugar to taste. Although corn beard boiled water can remove fetal poison, but should not drink too much, so as not to lead to hyponatremia, serious cases can cause fetal arrhythmia. In addition, pregnant women also need to pay attention to the regulation of diet, forbidden to eat too greasy and spicy stimulating food, to prevent the production of fetal toxicity.