Breast adenopathy is usually characterized by breast pain, breast lumps, nipple discharge, etc. Breast adenopathy requires pathological examination for diagnosis. 1. Breast pain: The most typical symptom of mammary gland adenopathy is breast pain, which is severe during menstruation and relatively relieved after the end of menstruation. It may be caused by hormone level disorders during menstruation, emotional changes and other reasons. 2. Breast lumps: Breast adenopathy in the early stage will first appear single or multiple breast lumps, the texture is hard when touching, most patients have obvious pain after touching. 3. Nipple overflow: patients with mammary gland adenopathy may also have breast overflow, patients with unilateral or bilateral nipple may be accompanied by yellowish, bloody, purulent or watery overflow, and there may also be redness and swelling of the skin and other manifestations. Early diagnosis of mammary gland adenopathy is mainly through pathological examination, pathological examination may find that the patient’s mammary gland lobules in the terminal ducts and vesicles increased in number, most cases are also accompanied by lobular interstitial fibrous tissue hyperplasia. Female patients with abnormal breast pain or abnormal behavior should go to the hospital as soon as possible for relevant examinations to identify the cause of the disease and early treatment.