Combined with the practice of the obstetrics clinic of Nanjing Drum Tower Hospital, the paper expounds the process architecture and specific functions of obstetric clinic specialty management system, including filing, pre-diagnosis and triage, structured prenatal medical records, prenatal screening and diagnosis, etc., and points out that the system is helpful to standardize the process of prenatal examination, optimize diagnosis and treatment services, strengthen high-risk management, carry out characteristic diagnosis and treatment, and provide decision support.