Men with hard lumps and pain in their breasts may have chest lymph nodes, breast hyperplasia and breast cancer, which can be treated by general treatment, medication and surgery. 1. Chest lymph nodes: when the chest is stimulated by inflammation, there will be symptoms of lymph node enlargement, swelling and pain, patients should change their lifestyle, pay attention to a light diet, under the guidance of the doctor to take drugs such as cefixime, amoxicillin, etc., if there is an increase in the lymph nodes, the pain is obvious need to be surgically removed. 2. Breast hyperplasia: is due to obesity caused by hormonal imbalance in the body, the feminization of male breasts, there will be breast enlargement, lump pressure pain, which generally belongs to the benign nodule, can be adjusted by taking estrogen under the advice of the doctor, such as clomiphene, tamoxifen. 3. Breast cancer: Breast cancer is highly prevalent in women, but it can also occur in men. One of the symptoms of breast cancer is the appearance of pain and lumps, and the patient needs to consult a doctor in time for a systematic examination and early intervention. In addition, breast trauma, breast fibroadenoma may also appear similar symptoms, when the patient has a hard lump in the breast and also the symptoms of pain, should consult a doctor in time, identify the cause of the disease, under the guidance of the doctor to take drugs and treatment.