Inflammation of axillary lymph nodes is usually caused by the following reasons: 1. Chest infections should be considered, such as bronchopneumonia, lobar pneumonia, pleurisy, pleural effusion secondary to the axillary lymph node enlargement, which can be treated with antibiotics; 2. Some female patients develop cystic hyperplasia of the breasts or have obvious breast lumps during menstruation, which can lead to the enlargement of lymph nodes; 3. More serious diseases can also lead to the development of axillary lymph node enlargement, such as lymphatic tuberculosis or metastasis of malignant tumors can lead to the above situation. 3, more serious diseases can also lead to axillary lymph node enlargement, such as lymphatic tuberculosis or malignant tumor metastasis can lead to the above situation. Lymph node enlargement itself is not very serious, but the primary cause of lymph node enlargement is usually more serious, it is recommended that patients with lymph node enlargement should be actively examined, and under the guidance of the doctor, the use of symptomatic ways to carry out treatment.