Swollen and raised axillary lymph nodes are mostly caused by infection, tumor and tuberculosis. 1. Infection: swollen and raised axillary lymph nodes are usually caused by local acute inflammation, common bacterial and viral infection is acute cellulitis suppurative inflammation, lymph nodes are not only swollen, but also accompanied by pain and inflammation manifestations such as high temperature and good mobility of lymph nodes, soft texture. 2. Tumor: painless lymph node enlargement in axilla can be caused by lymphoma and metastasis of malignant tumor. These lymph nodes are enlarged, hard, non-tender and with poor mobility. 3. Tuberculosis: swollen and raised axillary lymph nodes can be caused by tuberculosis, accompanied by low-grade fever, night sweats and emaciation. When the axillary lymph nodes are enlarged and then bulging, you should consult a doctor in time. Improve the examination, clear diagnosis and follow the doctor’s instructions to be appropriate treatment.