Lymph node enlargement for two months may be caused by infection, tumor metastasis, tuberculosis and other factors, need to consult a doctor to clarify the cause of the disease and then carry out appropriate anti-infection, anti-tuberculosis, anti-tumor and other treatments. 1. Infection: may be bacteria, parasites, viruses and other infections, can be manifested as lymph node swelling and pain, need to improve the relevant medical examination, follow the doctor’s instructions for the appropriate anti-infection treatment, such as bacterial infections, you can take amoxicillin, cefaclor, and other antibiotics; viral infections, you can take acyclovir, ribavirin and other anti-viral drugs; parasitic infections, you can take albendazole and other antiparasitic drugs treatment. For parasitic infections, antiparasitic drugs such as albendazole can be taken. 2. Tumor: It is necessary to be alert to the possibility of metastasis of malignant tumors in other parts of the body, or lymphoma. It is recommended to consult doctor in time, improve laboratory and related imaging examination, or puncture for pathological examination, after clear diagnosis, doctor will carry out corresponding treatment according to different situations. 3. Tuberculosis: If there is a history of contact with tuberculosis patients, or there are hot flashes, night sweats, weight loss and other manifestations, it is necessary to be alert to the possibility of tuberculosis, and further improve the chest CT, PPD and other tests to determine the cause of the disease, and according to the doctor’s instructions to carry out anti-tuberculosis drug therapy, such as rifampicin, isoniazid. 4. Others: such as necrotizing lymphadenitis, granulomatous disease, systemic lupus erythematosus, nodular disease, etc., if necessary, carry out lymphatic biopsy, CT, laboratory tests, etc., and consult the doctor in time to clarify the cause of the disease. Lymph node enlargement for two months, the cause of the disease is not yet clear, it is recommended to consult a doctor in time to clarify the cause of the disease, so that the next step in the treatment.