ObjectiveTo study the diagnosis and treatment of multiple neuroendocrine carcinoma.MethodClinical data of a case of multiple neuroendocrine carcinoma was retrospective analyzed.ResultsAfter discussion by a multidisciplinary team (MDT), the patient was diagnosed as multiple neuroendocrine carcinoma with late clinical stage and inoperable. Chemotherapy and radiotherapy were given, which showed significant effects, and the patient died after 1 year of follow-up.ConclusionIn the clinical diagnosis and treatment of patients with multiple neuroendocrine carcinoma, MDT cooperative treatment model should be adopted to provide a better treatment program.