Inflammatory reaction of mediastinal and bilateral hilar lymph nodes can usually be registered with the respiratory department, gastroenterology and emergency department. 1. Respiratory medicine: Inflammatory reaction of mediastinal and bilateral hilar lymph nodes can easily lead to abnormal breathing because of the abnormality of the lungs, so inflammatory reaction of mediastinal and bilateral hilar lymph nodes can be examined and treated in respiratory medicine according to the doctor’s instruction. 2. Gastroenterology: If the condition of mediastinal and bilateral hilar lymph node inflammatory reaction is serious, it may lead to esophageal compression, which may cause dyspepsia, so mediastinal and bilateral hilar lymph node inflammatory reaction can follow the doctor’s instruction to consult the gastroenterology department for examination and treatment. 3. Emergency department: mediastinal and bilateral hilar lymph node inflammatory reaction if there is breathing difficulties or fainting and other serious reactions, then generally need to follow the doctor’s instructions to the emergency department for emergency treatment, to avoid affecting the safety of life. After the mediastinal and bilateral hilar lymph node inflammatory reaction, it is recommended to follow the doctor’s instructions to carry out examinations, and then symptomatic treatment.