Abstract:The technology related to the digitized video monitoring and its prospect are introduced and the development trend of next generation product is discussed.The following contents are describeds:1)Video compression algorithm which is the technique diciding the main characteristics of products.2)Network techniques which is the formation base facing for multpurpose video multimedia equipment and largescale digital video multimedia network sysytem.3)Intelligent technique that the digital video system can provide various intelligent functions for different applied fields.