The danger of pregnant women picking at the navel is that it may be complicated by navel infection, peritonitis or even lead to miscarriage, etc. Pregnant women should pay attention to navel care. Pregnant women who use improper way to pick the navel, do not pay attention to the hand or local cleanliness and hygiene, may cause navel infection, umbilical cord inflammation. Umbilical infection causes localized pain around the area, which may cause contractions and affect the fetus. If the inflammation of the umbilicus is severe or not effectively controlled, secondary inflammation of the peritoneum and pain in the lower abdomen will stimulate uterine contractions, which may cause miscarriage and other dangers. If there is dirt inside the belly button of pregnant women, you can use the correct method of removing dirt, such as using a cotton swab dipped in some water, on the inside of the belly button after the dirt moistened, and then gently removed, and then use a clean soft towel to dry the belly button, to avoid moisture to relieve the breeding of bacteria.