Multifunctional incision knife with novel structure

The utility model discloses a multifunctional incision knife with a novel structure, which comprises an operating handle, the operating handle comprises a core rod, the core rod is connected with a sliding ring and a liquid injection head in a sliding mode through a sliding groove, the sliding ring is provided with an electrode, and the operating handle is further provided with a rotating wheel device. The rotating wheel device comprises a rotating wheel with internal threads and a hollow screw rod with external threads, the rotating wheel and the screw rod are sleeved on the core rod, one end of the rotating wheel is rotatably connected with the sliding ring, one end of the screw rod is connected with a hook of the liquid injection head, the end, located in the core rod, of the liquid injection head is fixedly connected with an inner pipe, and a boosting pipe is inserted in the inner pipe in a penetrating mode. One end of the boosting tube is connected with the electrode, and a steel wire rope is fixed at th