The invention discloses a surgical disinfecting and nursing device for the department of surgery. The surgical disinfecting and nursing device comprises a bed board and a sliding support; the two sides of the surface of the bed board are provided with two parallel sliding grooves, the sliding grooves are internally provided with sliding blocks, one of the sliding grooves is provided with a lead screw, the lead screw is installed in a mode of being matched with a screw hole in the corresponding sliding block, one end of the lead screw penetrates through the end face of the bed board to be connected with an output shaft of a first motor, the two sliding blocks are connected with the two ends of an arc plate respectively, the inner arc face of the arc plate is provided with arc racks, and the outer arc face of the arc plate is provided with an arc sliding groove. According to the surgical disinfecting and nursing device for the department of surgery, the first motor drives the lead screw to rotate so that the arc plate can move in the longitudinal direction, a second motor drives a gear to rotate, so that the sliding support moves along the arc sliding groove, a spray head moves transversely and keeps a fixed distance with the body of a patient, the disinfecting and nourishing effects are good, the strength of medical staff is saved, and the surgical disinfecting and nursing device is convenient and fast.