The axillary swelling can be seen in the following situations. 1. Axillary subcutaneous soft tissue tumors, such as lipoma, fibroma, sebaceous gland cyst, etc. 2. Axillary lymph node enlargement caused by various reasons. For example, axillary lymphadenitis caused by infectious factors is generally treated with active infection. With the control of primary focus infection, the axillary lymph node swelling can gradually reduce or subside. It can also be seen in the enlargement of axillary lymph nodes caused by tuberculosis. Long term standardized anti tuberculosis treatment should be given on the basis of nutritional support treatment. It can also be seen in the enlargement of axillary lymph nodes caused by hematological malignancies such as leukemia and lymphoma. Chemotherapy, radiotherapy and other treatments should be given according to the specific pathological classification. It can also be seen in the axillary lymph node metastasis caused by malignant tumors. The treatment should be based on the primary focus and the patient's own condition, and should be given surgery, chemotherapy, radiotherapy, endocrine therapy, targeted therapy and other comprehensive treatment.