An automated building monitoring system for monitoring a plurality of apparatuses in a building, includes: a plurality of controllers for controlling the plurality of apparatuses; a controlling platform for providing control-setting information; and a controlling server connected to the controllers and the controlling platform for receiving and storing the control-setting information provided by the controlling platform, and obtaining real-time data of the controllers or real-time data of the apparatuses via the controllers, the controlling server controlling the controllers to control the apparatuses based on the control-setting information and the real-time data of the controllers or the apparatuses. When the controlling platform is abnormal or is abnormally connected to the controlling server, the controlling server continuously monitors the apparatuses in the building based on the stored real-time data of the controllers or the apparatuses.