Major depressive disorder is a common mental disorder with an annual economic burden at the forefront of clinical diseases, causing serious public health problems. Timely identification, diagnosis and standardized treatment are of great significance to the improvement of patients' clinical symptoms and the recovery of social functions. This paper makes a comprehensive analysis and evaluation of the relevant guidelines at home and abroad, and forms expert opinions on screening and evaluation, diagnosis and differential diagnosis, treatment, treatment of special populations, management, follow-up and monitoring, in order to provide guidance and reference for clinicians.

Major depressive disorder; Diagnosis; Treatment; Management; Expert consensus