Fixing device for left side plaque of vehicle

The utility model discloses a vehicle left side plaque fixing device which comprises a fixing device body, two sets of fixing plates are fixedly connected to the top of the fixing device body, two sets of electric push rods and a movable plate are arranged at the top of the fixing device body, and a plurality of sets of movable plates and springs are arranged in an inner cavity of the movable plate. The front face and the back face of the movable plate are each provided with a fastening screw hole rod. According to the vehicle left side plaque fixing device, an electric push rod on a fixed plate is used for driving a movable plate to move towards the middle, when the movable plate makes contact with the plaque, a compression spring is moved towards an inner cavity of the movable plate, so that the movable plate makes contact with multiple positions of the plaque through a flexible anti-skid base plate, and a fastening knob is rotated to drive a fastening screw rod; fastening screw holes are matched to pressur