Breast flap separation scalpel

The utility model relates to the technical field of medical instruments, and discloses a breast flap separation scalpel which comprises a scalpel assembly and a first scalpel handle, a connecting plate is fixedly installed on the rear side of the top of the first scalpel handle, a protruding block is fixedly installed on the front side of the connecting plate, and a blade is detachably installed on the front side of the connecting plate. A groove is formed in an inner cavity of the blade, limiting grooves are formed in the bottoms of the two sides of the first cutter handle, and a second cutter handle is detachably installed at the bottom of the first cutter handle. The breast skin flap separating scalpel has the advantages that breast skin flaps can be separated through the design of the scalpel assembly, the second scalpel handle can be rapidly installed on the first scalpel handle through the design of the limiting assembly, the tail ends of the scalpel handles are lengthened, the first scalpel handle and