The nipple does not show up, which is called nipple inversion in medicine. It is necessary to go to the regular hospital in time, and correct the orthopedic shape under the doctor’s guidance, so as to avoid affecting the breastfeeding in the future, and even the emergence of plasma mastitis and other complicated diseases. Generally speaking, it can be corrected through the manipulation of pulling and lifting, which is a long term corrective process, and it can improve the symptom by gradually showing the nipple through the long period of time of lifting and pulling. This method is suitable for nipple inversion with mild symptoms. Negative pressure suction can also be used to correct nipple inversion, which gradually corrects the symptoms of nipple inversion by revealing the nipple through negative pressure, and if the symptoms of nipple inversion are more serious, surgical correction may be needed. Regardless of which method is taken, it is recommended to go to a regular hospital, under the guidance of the doctor, a long time nipple inversion, the secretion in the breast ducts can not be discharged, which can easily lead to symptoms of plasma mastitis, breastfeeding milk secretion is not smooth, resulting in breast milk stagnation and other conditions need to be corrected in a timely manner.