Hard lumps after paratesticular breast surgery are mostly considered to be related to scar healing, infection, incomplete excision of paratesticular breasts, etc. Mild symptoms can be observed on their own, while severe cases can be treated with medication or surgery. The paratesticular breast is the extra breast outside the normal breast, commonly found in the armpit, armpit lumps, the size varies, can also appear nipple, asymptomatic small can not be treated, larger or affect the aesthetics of the choice of surgical excision. 1. Scar healing: actually refers to the healing of the wound after surgery, with the passage of time, the wound will generally gradually soften. 2. Infection: bacterial infection after surgery is also prone to hard lumps, which can be treated with antibiotics, such as cefixime and penicillin. 3. Incomplete excision of paratesticular breasts: there are still lumps after paratesticular mastectomy, it is recommended to perform surgical treatment again, such as suction along the original wound or incision for excision of hard nodules. There may be other reasons for the hard lump after paratasectomy, it is recommended to go to the hospital, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment. All of the above medications should be taken under the guidance of a professional doctor.