Nipple odor, can be caused by a variety of reasons, if not accompanied by other abnormal performance, patients do not need to worry too much, generally will not cause significant impact on the body. 1, sediment in the milk ducts: adult women, especially in lactating women, there will be trace secretions in the glands of the breast, such as milk sex, plasma secretions, are stored in the milk ducts, with the passage of time, gradually dehydrated, dry, gradually caseization, the nipple when the odor will be emitted; 2, nipple depression: some lactating women due to abnormal nipple shape or feeding the wrong way, resulting in nipple depression, nipple, areola area of some secretions will be easy to accumulate here, causing anaerobic bacterial infection resulting in odor; 3, nipple chafing: if the nipple chafing caused by baby nibbles, inappropriate underwear, improper moisturizing, local friction, etc., the nipple local The local area of the nipple may accumulate dust and secretions, causing infection, resulting in odor when the nipple; 4, hormone level fluctuations: fluctuations in the level of hormones in the human body may cause breast lumps, sebaceous cysts, sebaceous adenitis or mastitis, which can also lead to odor; 5, local hygiene problems: if women do not pay attention to the nipple, areola cleaning problems, a long time dirt accumulation, may also appear in the nipple when the odor. When women’s nipples smell, pay attention not to squeeze, you can first clean with a warm towel after hot compresses. Pay attention to choosing comfortable underwear, washing and changing clothes regularly, and avoiding spicy diets. If the nipple odor is not relieved or if the nipple or areola has an obvious abnormal shape, you need to go to the hospital for further examination and symptomatic treatment.