Nipple peeling dead skin may be a physiological phenomenon, common in breastfeeding and underwear material is not suitable; may also be the cause of certain diseases, such as breast eczema, cracked nipples and other diseases, should be timely consultation to find out the cause of the disease. 1. Physiological phenomenon: (1) Breastfeeding: women who are breastfeeding will experience nipple peeling after the swelling and subsiding of the breasts, and after the breastfeeding period, it will gradually return to normal, so there is no need to worry too much. (2) Unsuitable underwear material: poor quality underwear and underwear material is not suitable for individual skin, resulting in nipple irritation, skinning phenomenon, by replacing the appropriate underwear, can be improved. 2. Pathological factors: (1) breast eczema: due to a variety of reasons leading to the nipple and areola area of the local skin, allergic inflammation occurs, usually appear nipple peeling, eczema and other symptoms. (2) Cracked nipples: due to improper breastfeeding methods or posture, resulting in nipple redness, peeling skin, or even rupture and bleeding, topical cream on the nipple can moisturize the skin and reduce pain. In addition, nipple peeling dead skin should also consider tumor factors, such as Piper’s disease. The appearance of nipple peeling skin and accompanied by other uncomfortable symptoms, it is recommended to consult a doctor in time. In daily life, pay attention to the nipple area to keep dry, change underwear, appropriate exercise, enhance physical fitness, avoid spicy and stimulating food, maintain physical and mental comfort.