What to do with swollen submandibular lymph nodes can not be generalized, according to the causes of submandibular lymph node enlargement of different reasons for treatment, if because of infectious factors caused by submandibular lymph node enlargement, need to carry out anti-infective treatment, if non-infectious factors caused by submandibular lymph node enlargement, need to carry out the cause of the disease treatment. 1. Infectious factors: systemic inflammation will cause submandibular lymph node swelling, need to follow the doctor’s instructions to use ceftazidime antibiotics for treatment, usually about 1 week of treatment, jaw inflammation is controlled, submandibular lymph node swelling gradually subside. 2. Non-infectious factors: for example, some patients with malignant tumors, lymph node metastasis to the jaw, resulting in patients with enlarged submandibular lymph nodes, need to carry out puncture biopsy to clarify the nature of the tumor, generally appearing lymph node metastasis belongs to the advanced stage of malignant tumors, and often lose the opportunity for surgical treatment, you can carry out radiation and chemotherapy, and other comprehensive treatment. If the patient is not feeling well, he should go to the hospital in time and standardize the treatment and medication under the doctor’s guidance, and should not be careless so as not to delay the treatment.