Abstract:Objective：To discuss how to use HD network video technology to realize the construction of digital operating room and the support of digital operating room in the specific application of clinical diagnosis and clinical teaching. Method：Through the demand analysis of hospital digital operating room system，combined with other information systems，such as HIS，AIMS，medical remote consultation system，etc. the digital operating room system is designed and built to meet the requirements of modern hospital operating rooms. Result：After the establishment of digital operating room，the hospital has carried out many medical activities such as surgery teaching，long-distance teaching and medical consultation，which have achieved positive results. Conclusion：The digital operating room system can enhance the hospital management，enrich clinical medical resources and academic basis，and is of vital significance to be promoted.