In patients with increased mediastinal lymph nodes, some of them are not serious, while others are more serious, depending on the cause of the increased lymph nodes. If it is caused by bacterial infection or viral infection, which is less serious at this time, you can go to the hospital to improve the relevant tests, such as blood routine, C-reactive protein, ultrasound, etc. Then, according to the results, western medicine or herbal medicine will be given. During the treatment period, you can drink more water and consume fresh fruits and green vegetables appropriately. If it is caused by blood system diseases, such as lymphoma, etc., it is more serious at this time, and you need to actively improve the relevant examination and give chemotherapy and targeted drug treatment, etc. If it is due to lymph node metastasis of malignant tumor, it is also more serious, so you need to actively improve the relevant examination, find the primary tumor, and then remove it, and then give the corresponding treatment at a later stage.