Clinical patients with left axillary lymph node enlargement, the specific causes are different, often can take different treatment methods. 1, if the patient due to the left breast malignant tumor, lung malignant tumor caused by the left axillary lymph node invasion metastasis, thus appearing in the axillary lymph node enlargement, the patient needs to improve the ultrasound CT examination, to make clear the specific location of the primary tumor and the volume of the size of the tumor as soon as possible for radical treatment of malignant tumors and axillary lymph node clearance. 2, lactating female patients may be due to acute radiotherapy, immunotherapy, immunotherapy, Chinese medicine treatment and other methods can be combined with chemotherapy to completely remove the enlarged left axillary lymph node. Lymph node dissection, if necessary, after the operation can be combined with chemotherapy radiotherapy immunotherapy Chinese medicine treatment and other methods, in order to be able to completely remove the left axillary enlarged lymph nodes. 2, breastfeeding female patients, can be due to acute suppurative mastitis caused by the left side of the axillary lymph node reactive hyperplasia, at this time you need to infuse cephalosporin antibiotics, strengthen the anti-infective treatment. Breast abscesses and enlarged lymph nodes, can be applied externally, such as Yi Jinhuang cream, to promote the local inflammation faster absorption and subside, so that the left axillary lymph nodes can achieve better results, will not cause serious complications.