The cause of multiple lymph nodes in bilateral neck may be inflammation, tuberculosis, which is usually not serious; it may also be due to tumor, which is relatively serious. 1. Inflammation: Head and face inflammation such as tonsillitis caused by bacterial infection, pharyngitis, sinusitis, otitis media, etc. may lead to lymph nodes in the drainage area, that is, bilateral lymph node enlargement in the neck, usually it does not matter, you can promptly carry out the anti-infection, such as intravenous treatment with cefuroxime, ceftriaxone sodium and other treatments can be gradually relieved. 2. Tuberculosis: commonly secondary to pulmonary tuberculosis leading to lymphatic tuberculosis, mainly manifested as bilateral cervical lymph node enlargement, can be relieved by anti-tuberculosis treatment. It can be relieved by anti-tuberculosis treatment, often combined with isoniazid, rifampicin, ethambutol and other drugs. 3. Tumors: including lymphoma, lymphoblastic leukemia, lung cancer, thyroid cancer, breast cancer, nasopharyngeal carcinoma, etc., which may invade or metastasize through lymphatic transfer, leading to multiple lymph node enlargement in the neck. At this time, the consequences are serious and appropriate anti-tumor treatment is needed. If there are multiple lymph nodes in the neck bilaterally, one should consult a doctor in time, make a clear diagnosis and follow the doctor’s instructions for treatment.