A method for controlling a power slide door having an operable window for a vehicle for preventing an entrapment between the power slide door and a vehicle body by limiting a slidable range of the power slide door by portion of a stopper, which the stopper functions in a condition where the window is opened more than or equal to a certain range, the method comprising steps of judging if the entrapment is generated within a predetermined range in which the power slide door can be stopped by portion of the stopper in a condition where the entrapment with a foreign object is generated during an opening operation of the power slide door, performing a reverse operation of the power slide door in a closing direction by a certain distance in a condition where the entrapment is generated within the predetermined range, and stopping the power slide door.