Recently, the lymph nodes on the neck are always repeatedly enlarged, considering inflammation, connective tissue disease and other reasons, it is recommended to identify the cause of the cause of treatment. 1. Inflammation: After being infected by pathogens and poorly controlled, the lymph nodes in the neck will become enlarged repeatedly under the long-term stimulation of inflammation. Commonly, there are chronic lymphadenitis and tuberculous lymphadenitis. Chronic lymphadenitis is mostly caused by bacterial infection, it is recommended to take antibiotics such as azithromycin, amoxicillin, etc. for a long period of time; chronic lymphadenitis caused by viral infection can be treated with antiviral medicines such as ribavirin and acyclovir for a long period of time; tuberculous lymphadenitis needs to be combined with anti-tuberculous medicines such as isoniazid, rifampicin and so on for a long period of time. 2. Connective tissue diseases: connective tissue diseases such as systemic lupus erythematosus and tuberculosis can attack the lymph nodes in the neck and cause enlargement. If the disease is repeated, these lymph nodes may be enlarged over and over again. 3. Malignant tumors: lymphoma, lymphoblastic leukemia, lymphatic metastasis of many kinds of malignant tumors (such as thyroid cancer, lung cancer, breast cancer, etc.) can invade the cervical lymph nodes, but usually do not lead to recurrent swelling. If you find that the lymph nodes in your neck are enlarged again and again, it is recommended that you consult a doctor in time, complete the examination, make a clear diagnosis, and then follow the doctor’s instructions to give the appropriate treatment.