Common causes of axillary lymph node enlargement in patients include axillary lymph node metastasis caused by tumor lesion hyperplasia, local chronic or acute inflammation, breast hyperplasia, etc., as follows: 1. Axillary lymph node metastasis caused by tumor lesion hyperplasia: for example, malignant tumor of breast, malignant tumor of lung or lymphoma in female patients, the prognosis of patients in this case is poor, and patients are advised to perform timely local lymph node Biopsy. The prognosis of patients with lymph node biopsy is poor. The symptoms of swollen lymph nodes will gradually improve after the local inflammation is controlled through active anti-inflammation.3. Mastopexy: Generally speaking, female patients with mastopexy can improve the swollen lymph nodes in the armpits by taking drugs for mastopexy.