The embodiment of the specification discloses a method, device and apparatus for controlling a service dedicated line. The method comprises the following steps: obtaining service data of a target dedicated line used by a target service; analyzing the service data to determine a service state of the target dedicated line; culling the target dedicated line from the dedicated line used by the targetservice if the service status of the target dedicated line is abnormal and the target dedicated line satisfies a predetermined dedicated line culling rule,.