An omni-directional mobile robot applied to an intelligent warehouse, comprising a mobile platform, a traction mechanism, an ultrasonic obstacle avoidance system, a visual module and a remote control maintenance module, and further comprising an auxiliary positioning mechanism mated with the mobile robot, so as to realize that the robot carries a shelf to automatically reach a target region in a traction mode, and to monitor the working state of the robot and the warehouse environment. Moreover, the robot can be managed and maintained via a network. In addition, the robot is designed into a Mecanum wheel type mobile platform, and therefore can move in all directions, and is high in flexibility.