The dry skin on the nipples is considered to be formed by the accumulation of secretions in the breast ducts. The breast is a secretory organ and secretions are discharged through the breast ducts. The nipple contains several openings for the milk ducts, and the nipple is prone to accumulate secretions from the milk ducts, which can form dry skin after the secretions dry up. The area around the nipple is also rich in sebaceous glands that secrete a lot of sebum, which plays a role in lubricating and protecting the skin and the area around the nipple, and is also prone to dryness and dry skin symptoms. Under normal circumstances human skin cells apoptosis to form the stratum corneum, over time the stratum corneum gradually shed, forming dry skin symptoms in the skin, is a relatively common normal nipple dry skin condition. It can also be seen in the skin of eczema, ringworm caused by the nipple skin flaking, try to go to the hospital, let the doctor check to confirm the diagnosis and then the symptomatic treatment.