The discovery of a small nipple next to the armpit is due to developmental abnormalities, usually below the nipple, but also combined with the presence of paratesticular glands, the patient will also be able to palpate the local mass, should be carried out local color ultrasound examination. This disease is very common, many patients are during growth and development or pregnancy, after pregnancy, after the birth of a child are prone to increase the size of the paratesticular breast, there are some patients will also be manifested in the paratesticular nipple overflow changes. In addition, the glands of the paratesticular glands may proliferate, which may be characterized by regular pain. If necessary, systematic treatment is also required. The most effective treatment for paratesticular breast disease is surgery, which can be performed under local anesthesia or intravenous anesthesia, depending on the size of the lesion, and which mainly removes the lesion intact and avoids residual residues.