Lung neuroendocrine carcinoma usually refers to tumors that can secrete various hormones or hormone analogues, and once detected, it needs timely medical treatment. The causes of pulmonary neuroendocrine carcinoma include smoking, chromosomal abnormality and diabetes mellitus, etc. Generally, it includes carcinoid tumor, small cell carcinoma and large cell carcinoma, etc. Clinical manifestations are similar to those of non-small cell lung cancer, such as coughing, hemoptysis, chest pain, etc., and a small number of patients may develop carcinoid syndrome due to hormone secretion abnormality. Early stage pulmonary neuroendocrine carcinoma is mostly treated with surgery and postoperative adjuvant chemotherapy. For progressive and metastatic lung neuroendocrine carcinoma, chemotherapy program combining cisplatin and etoposide is mostly adopted, and targeted drugs such as everolimus can also be used; for patients with carcinoid syndrome, growth inhibitor analogs can be used. For patients with carcinoid syndrome, growth inhibitor analogs can be used. When pulmonary neuroendocrine carcinoma occurs, it is necessary to actively consult the doctor and follow the doctor’s instructions for reasonable treatment.