| Substation Automation System (SAS) plays an important role in managing real-timedata of substation. The Embedded Web Server (EWS) is a standard interface for the user tomanipulate and manage SAS. To apply the Embedded Web Server (EWS) to SubstationAutomation System is for the remote control, mentenance, and diagnostic of the device insubstation. The background of Embedded Web Server is analysed in the paper, the functionand the research status are provided also. In this paper, the requirement of EWS in SAS ispromoted. Basing on the requirement, the author designs a EWS which deploy XML andserver-push technics. |