The causes of small nipples growing above and below the nipple include breast fibroadenoma, paratesticular breasts, etc. The treatments include general treatment and surgical excision treatment. 1. Mammary fibroadenoma: Mammary fibroadenoma is a benign breast disease caused by abnormal sensitivity of breast fibroblasts to estrogen, which can be touched as a painless lump in the breast, accompanied by different degrees of chest pain. If the disease is mild, it can be left untreated and followed up regularly. If the condition is serious, the fibroadenoma can be removed by surgery. 2. Associate breasts: Associate breasts, also known as multiple breast deformity and ectopic breasts, are often caused by congenital developmental abnormalities. Typical symptoms include the appearance of breast-like nipple tissue next to the nipple and underarm. It is necessary to choose suitable underwear in daily life to avoid rubbing the parastomia. It is mainly treated by surgery such as paramastectomy and fat suction. At the same time, the small nipples above and below the nipple may also be Montgomery’s nodes, which is a normal physiological phenomenon; it may also be the case of eczema around the nipple, allergic rashes, etc., which should be identified according to the specific circumstances. It is recommended to consult with regular hospitals for a clear diagnosis and appropriate treatment.