There are many reasons for swollen lymph nodes in the jaw, which need to be combined with the patient’s condition and treated with conservative medication or surgery, so as to eliminate the swollen lymph nodes. 1. Infectious factors: lymph node enlargement caused by bacterial and viral microbial invasion, mostly accompanied by redness, swelling and pain, after clarifying the type of infection, choose sensitive antibiotic drugs for anti-infection treatment, such as amoxicillin, cefaclor, azithromycin and so on. After stabilizing the condition through active treatment, lymph node enlargement can be subsided slowly. 2. Tumor lesions: lymphoma, malignant tumor metastasis caused by the enlarged lymph nodes in the jaw, take the appropriate surgical program, so as to eliminate the lymph nodes. After surgery, radiotherapy, targeted drug therapy and other measures are needed to stabilize the condition. Commonly used drugs include interferon, Zoerythromycin and so on. 3. Reactive hyperplasia: lymph nodes are enlarged due to systemic lupus erythematosus, rheumatism, serum sickness and serum sickness-like reaction, etc. It is necessary to consult a doctor to confirm the diagnosis of the specific condition, and the main treatment is based on medication. Immunosuppressants, glucocorticoid drugs to help stabilize the patient’s condition. Commonly used drugs are prednisolone, interferon and so on. Therefore, the patient needs to consult a doctor as soon as possible, improve the examination, and clarify the cause of the disease to be treated accordingly.