The swollen axillary lymph nodes consider that the body may have inflammation around the lymph nodes, immune system diseases, tumors, etc. According to the swollen axillary lymph nodes and whether there is tenderness and mobility, a comprehensive judgment can be made: 1. Inflammation around the lymph nodes: If the swollen axillary lymph nodes are accompanied by painful symptoms, consider the acute inflammation around the lymph nodes caused by inflammatory reactions such as redness, swelling, heat and pain The swollen axillary lymph nodes will appear if subcutaneous folliculitis occurs in the axillary area or if infection breaks out in the corresponding upper limb arm. In addition to the above symptoms, patients will also have persistent fever, anemia and other symptoms, and need to apply a variety of anti-infective drugs to control the infection; 3. Tumors: If the lymph nodes are painlessly enlarged, it may be considered as lymphoma or metastatic tumor, and the patient has local lymph node enlargement accompanied by low fever, night sweats and wasting. In addition, plasma cell tumor and multiple myeloma can also cause enlarged axillary lymph nodes. If they are accompanied by periodic fever, the possibility of malignant lymphoma or other metastatic tumors, such as breast cancer, lung cancer and stomach cancer, should be considered. It is necessary to improve the relevant histopathological examination to clarify the cause, and then take surgery to remove or chemotherapy, radiotherapy and other treatment methods for treatment; 4, other cases: such as tuberculosis, necrotizing hyperplastic lymphadenopathy, syphilis, primary hyperlipoproteinemia, breast hyperplasia and other lesions can also lead to axillary lymph node enlargement, which requires targeted treatment according to the cause.