Operating room nursing tray rack

The utility model discloses a nursing tray rack for an operating room. The tray rack comprises a tray B, a tray rack body and a fixing mechanism, wherein the tray rack body comprises a telescopic rod;a tray A is fixedly connected to the upper surface of the telescopic rod; the tray B is mounted on the lower surface of the telescopic rod; one side of the tray B is fixedly connected with a fixed block; the fixed block is in sliding connection with the telescopic rod; steel wires are fixedly connected to four corners of the upper surface of the tray B; the steel wire is fixedly connected with the tray A. Adjusting rods are rotationally connected to the front surface and the rear surface of the tray A. The adjusting rods are rotationally connected with the tray B. Rotary knobs are arranged onthe outer sides of the adjusting rods, and fixing nuts are fixedly connected to the inner sides of the adjusting rods. By designing the tray B installed below the tray A and the adjusting rod, the rotary knob, the fixing bloc