The utility model discloses a multi -functional power repair tool, the utility model has the advantages of reasonable structure simply, production cost is low, easy installation, complete function, beequipped with the permanent magnet between inner tube and the instrument plug, greatly reduced the probability that drops of instrument plug, can leave the length that the adjustment tool plug stretches out by the microspur through the rotating knob, the sticky tape sawtooth can directly cut off the sticky tape, adjust the length of push rod in the instrument main part, can the regulating force square, convenient light operation, the screw storehouse can be placed the screw and prevented to lose, it conveniently snatchs to have set up the handle, the handle surface sets up can effectively avoid the skidding emergence of phenomenon of rubber layer.