Significance To explore the establishment of a remote maternal and fetal monitoring system based on 5G technology in the obstetrics and gynecology hospital, and to provide references for the medical system to improve telemedicine and smart medical care based on 5G technology. Method/Process By utilizing the advantages of 5G technology such as fast speed, wide spectrum and low delay, and combining services such as maternal and fetal monitoring, online education, remote consultation, artificial intelligence (AI), health data management, and medical green channel, the maternal and fetal monitoring database and the AI model of maternal and fetal monitoring are constructed, the remote maternal and fetal monitoring system is constructed, and fetal heart monitoring process is optimized. Result/Conclusion It realizes the combination of maternal and fetal monitoring application in hospital and outside hospital, medical alliance applications, internet hospital applications and ambulance transfer process applications.