Video monitoring system of building intelligent management system

The utility model discloses a video monitoring system of a building intelligent management system. Video acquisition module, wherein the video acquisition module is in telecommunication connection with the image sensor, the A/D conversion module, the image processing module and the wireless transmission module in sequence; the wireless transmission module is connected with the Internet of Things terminal; the video acquisition module is also connected with an infrared sensor; a controller is also connected between the infrared sensor and the video acquisition module; the controller is electrically connected with a smoke sensor and an alarm A; the utility model has reasonable design, a video acquisition module is electrically connected with an infrared sensor; and the infrared sensor is arranged at the entrance, so that the infrared sensor monitors the entrance of a person at the first time, the infrared sensor transmits a signal to the controller, the controller controls to open the video acquisition module,