Paramastia and chronic axillary lymphadenitis can be distinguished from each other in terms of etiology, presenting symptoms, and treatment. 1. Etiology: paratesticular breasts are mainly caused by congenital developmental abnormalities. Chronic axillary lymphadenitis is mostly related to infection, cold and other factors. 2. Symptoms: Patients with paratesticular breasts will have swelling or bulging in the armpit or axilla, and when affected by sex hormones, they will have painful symptoms. Chronic axillary lymphadenitis patients will have swollen axillary lymph nodes, accompanied by local pain, redness, swelling, tenderness and other symptoms, some patients will also have fever. 3. Treatment: Patients with paratesticular breasts can follow the doctor’s advice and undergo direct surgical treatment, such as paratesticular mastectomy, liposuction and so on. Chronic axillary lymphadenitis patients can follow the doctor’s instructions to use cefadroxil capsules, ibuprofen tablets and other drugs for treatment, if there is an abscess, etc., but also follow the doctor’s instructions for surgical treatment, such as incision and drainage. The above drugs should be used under the guidance of a doctor, if you feel unwell, you should go to the hospital in time, after diagnosis, under the guidance of the doctor for treatment.