Composite cutter

The invention relates to a composite cutter. The composite cutter comprises a cutter handle, a groove milling part, a connecting part, a chamfering part and a drilling part, wherein one end of the groove milling part is connected with one end of the cutter handle, and the milling groove part is used for milling a workpiece; one end of the connecting part is connected with the end, far away from the cutter handle, of the groove milling part; one end of the chamfering part is connected with the end, far away from the milling groove part, of the connecting part, and the chamfering part is used for chamfering the workpiece; and one end of the drilling part is connected with the end, far away from the connecting part, of the chamfering part, and the other end of the drilling part can be used for drilling a workpiece. According to the composite cutter, a plurality of machining functions are achieved, different structures of products can be processed, the number of cutters is reduced, the processing efficiency is im