(The end of the building's intellectualization is inseparable from the building's informatization and automation, and the information and automation control network belong to two different fields of use of the computer network. This article commented on the technical characteristics of the information network and the automation control network, pointed out that the integration of the integrated network has become a clear favorable condition for the integration of the information system and the control system of the intelligent building, and proposed a solution to end the integrated network integration of the intelligent building.)