Multifunctional operation marking device

A multifunctional operation marking device comprises a central shaft, dials and a marking ruler, a bearing is sleeved outside the middle of the central shaft, two dials with the same structure are symmetrically sleeved on the bearing, the dials are round, raised scale marks are arranged on the circumferential surfaces of the dials, rubber pads which are in contact are arranged on opposite side surfaces of the two dials, and the marking ruler is arranged on the central shaft. The left end of the central shaft is a marking handle, the right end of the central shaft is a scale handle, a first annular groove is formed in the periphery of the marking handle, marking lines are wound in the first groove, a second groove is formed in the periphery of the scale handle, a marking ruler is wound in the second annular groove, and the marking handle and the scale handle are sleeved with an outer cover used for fixing the marking lines and the marking ruler; the multifunctional scalpel is simple in structure and novel and