The utility model provides a positioner patrols and examines in real time for prescribing a limit to in region, including patrolling and examining handheld device, communication service ware, DGPS basic station, patrolling and examining location management platform, database server and 3G4G basic station, the output of DGPS basic station loops through the communication service ware and the 3G4G basic station is connected with the input of patrolling and examining handheld device, the output of patrolling and examining handheld device loops through the 3G4G basic station and the communication service ware is connected with the input of patrolling and examining the location management platform, it is connected to patrol and examine location management platform and database server interactive mode. The utility model discloses simple structure, convenient operation can effectively supervise the personnel's of patrolling and examining the work of patrolling and examining for patrol and examine the management work more the standard, to patrol and examine the result more accurate, also is favorable to patrolling and examining the science of managers decision -making.