Clavicular area mediastinal two lung hilar multiple lymph node swelling, cough, night sweats may be tuberculosis, tumor and other diseases. 1. Tuberculosis: the possibility of multiple lymph node enlargement, cough and night sweating in the mediastinum of clavicular region is higher than that of tuberculosis. Mycobacterium tuberculosis invades the lymph nodes and leads to lymph node enlargement, which may cause symptoms such as coughing, low fever in the afternoon, night sweating and emaciation etc., and need to be standardized treatment with anti-tuberculosis medicines. 2. Tumor: lymph node metastasis of lung cancer, or metastasis of other tumors and lymphoma may have the above mentioned symptoms. Tumor patients mostly show consumptive changes and weight loss, and need to be given appropriate treatments according to different tumors and stages to prolong the survival period. Multiple lymph node enlargement in mediastinum of clavicular region and two lung doors, cough, night sweating can also be caused by other diseases. If the patients have the above situation, they should seek medical treatment in time, complete the relevant examination, make a clear diagnosis, and actively cooperate with the treatment.