The invention discloses a mobile monitoring system, comprising a camera array, a mobile positioner and a monitoring terminal, wherein the camera array consists of a plurality of camera modules distributed in a monitored area, each camera module is internally provided with a camera, a control signal receiving device, a camera data transmission port and a camera processor, the mobile positioner is internally provided with a positioning module, a positioner data transmission port and a positioner processor, and the monitoring terminal is internally provided with a data port. The mobile monitoring system is novel in thought and good in practicability, the camera array is arranged in an area needing to be monitored in advance, the mobile positioner is fixedly arranged on a monitored object, when the monitored object moves in the monitored area, the mobile positioner reports the current position of the monitored object, nearby one or more cameras are used for shooting, and a real-time image or video of the monitored object is captured and uploaded to the monitoring terminal, so that the goal of complete real-time monitoring for the behaviors and actions of the moving monitored object is achieved.