Abstract:It has been a popular consensus to provide the assets lifecycle management service for the infrastructure． In order to meet the needs of power design market，a whole process digital collaborative design based on engineering information model ( EIM) is adopted to realize a series of innovations，which provides a new mode for assets lifecycle management during design， construction，operation and maintenance． The digital collaborative design，digital handover，digital application during erection，operation and maintenance are described in detail，the experiences of digital implementation are summarized and the expectation of digital technology is presented．