Paramastia does not belong to lymphatic blockage, breast in the fetal development period, from the armpit to the inguinal line, there will be 6-8 pairs of localized thickening of the nipple, which is the earliest breast tissue. This is the earliest breast tissue. At the time of birth, it has degenerated except for the one in front of the chest, and if it has not degenerated or has degenerated incompletely, multiple nipples or multiple breasts appear, which is clinically called paratesticular breasts, so paratesticular breasts are not caused by lymphatic blockage. If between the breast to the armpit, touch the local tissue thickening to consider the manifestation of paratits, because it contains breast tissue can be the same as the normal breast, a variety of breast diseases. For example, when breast hyperplasia occurs in the breast, symptoms of swelling and pain can also occur in the paratits, and the paratits also have the possibility of suffering from tumors, but if there are no uncomfortable symptoms, there is no need for treatment. If there is no discomfort, there is no need to treat it. When there is pain, discomfort, lumps or obvious enlargement of the secondary breasts, which affects the normal life, it is recommended to have them removed surgically.