The utility model discloses an electronic multi -purpose adapter of transformer substation's handcart switch propeller, including fixing device, fixing device includes the fixing base, and the fixing base is cylindrically, and the one end welding of fixing base has the connecting rod, and the axis of fixing base and the axis of connecting rod are on same straight line, and the connecting rod can insert in the electric screwdriver chuck, the fixing base is kept away from the one end of connecting rod and is established to the upper surface, is equipped with a plurality of grafting device on the upper surface of fixing base, and one of them grafting device is established in the axle center of fixing base department, remaining grafting device along the axis evenly distributed of fixing base, and it is individual that a plurality of grafting device is the odd number, and a plurality of grafting device is at least 7, the utility model discloses the device can alleviate operating personnel's working strength, reduces operating time, and the operating axis of considering transformer substation's handcart switch has a multiple size, the utility model discloses can also be fit for not unidimensional operating axis, change fast, N. R. Safe in utilization, the cost that has significantly reduced does benefit to the popularization.