The utility model relates to a modular operating handle, comprises an operating lever, the connecting sleeve, but extension sleeve and a plurality of disassembling operation head, the rear side section of connecting sleeve runs through the through -hole along radially having seted up, in order to wear to establish the action bars, the front portion of connecting sleeve is equipped with the operating head connecting axle, but the rear portion of each disassembling operation head all is equipped with the adapter sleeve that AND operation head connecting axle suited, on locating the operating head connecting axle with the cover, run through the screw hole along having seted up radially respectively on operating head connecting axle and the adapter sleeve, and be connected through threaded fastener when the combination, but the front end of each disassembling operation head has different structures, switch with the different equipment of adaptation, but it is equipped with the extension adapter sleeve that adapter sleeve structure the same overhead with disassembling operation to prolong telescopic rear portion to be connected with the connecting sleeve, the front portion be equipped with with the connecting sleeve on the extension operating head connecting axle that operating head connecting axle structure is the same, but in order to be connected with each disassembling operation head. The the device commonality is strong, simple structure, excellent in use effect.