Enlarged lymph nodes with normal lungs is a hint of chest CT for the physical condition, the specific treatment plan is mainly combined with the cause of the disease, the causes of the corresponding conditions mainly include nodal disease, metastatic tumors and giant lymph node hyperplasia, etc., the treatment plan mainly includes hormone therapy, radiotherapy and surgical treatment. 1. Nodular disease: It belongs to non-caseating granuloma formation, which is related to specific immune reaction, and will cause enlargement of lymph nodes next to the lungs after the corresponding condition occurs, and hormonal treatment, such as hydrocortisone, etc., can be chosen. 2. Metastatic tumor: extrapulmonary tumors with multiple mediastinal lymph node metastases will have corresponding conditions, basically need to be controlled by adjuvant radiotherapy and chemotherapy, local radiotherapy or particle implantation is usually chosen, and chemotherapeutic drugs can be applied, such as cisplatin. 3. Giant lymph node hyperplasia: a single enlarged lymph node may belong to giant lymph node hyperplasia, treatment of the corresponding disease, usually through surgical resection. Apparent lymph node enlargement, need to consult a doctor in time to observe, through the clinical examination to diagnose the cause of the disease, under the guidance of the clinician for standardized treatment, to avoid delaying the condition.