Underarm lymph node swelling and pain symptoms, usually considered to be acute inflammation of the lymph nodes, if the lymph nodes have painless enlargement, it is generally considered to be malignant may be malignant diseases also have pain symptoms, can not say that the pain is good or not good. 1. Acute lymphadenitis: clinical manifestations are mainly local lymph node swelling and pain, often accompanied by fever, limb edema and other symptoms, generally after symptomatic treatment of lymph node swelling and pain symptoms can be significantly improved. Anti-infection treatment is needed, such as levofloxacin, cefuroxime and so on. 2. Malignant lymph node swelling: it is mostly caused by metastasis of breast cancer, lung cancer and other nearby malignant tumors. Usually it is painless and progressive lymph node enlargement, these lymph nodes tend to be hard and have poor mobility, considering the possibility of malignant tumor, and the nature of lymph node enlargement needs to be further clarified. If you have symptoms of axillary lymph node enlargement, you should go to the regular hospital in time to improve the ultrasound and other examinations, and then follow the doctor’s instructions for treatment after a clear diagnosis.