Most of the inverted nipples of babies will return to normal with growth and development, and it is enough to keep the area clean. If nipple inversion is more serious, it can be improved by pulling method and negative pressure suction method. 1. Maintain local cleanliness: When the baby’s nipple is inverted, it is necessary to maintain local cleanliness to avoid the accumulation of dirt or oil on the nipple part, so as to avoid local inflammation, which will aggravate the degree of nipple inversion. 2. Pulling method: when the baby’s nipple inversion is more serious, the family can pull the nipple under the doctor’s guidance, so as to make the ducts and smooth muscles inside the nipple prolonged and make the nipple protrude normally. 3. Negative pressure suction method: baby nipple inversion is serious, can also be under the guidance of the doctor, take the negative pressure suction method to improve, with a syringe or breast pump to the nipple to attract, improve the situation of nipple inversion. When the baby’s nipple inversion is more serious, it needs to be examined in time and treated actively. If there is no improvement until the baby reaches adulthood, complications such as mastitis and breast abscess may be induced.