Booster for scar injection

The utility model discloses a booster for scar injection, which comprises a mounting block, side rods, a first threaded rod, a top cover and a fixing component, the side rods are fixed on both sides of the mounting block, the fixing component is arranged on the outer wall between the side rods, the first threaded rod is mounted on the outer wall of the mounting block in a penetrating manner, and the first threaded rod is in threaded connection with the mounting block; a top cover is mounted at the bottom end, below the mounting block, of the first threaded rod, and the mounting block is in threaded connection with the bottom end of the first threaded rod; mounting lugs are rotationally mounted on one sides of the two side rods, and second threaded rods are fixed to the positions, corresponding to the bottom ends of the side rods, of one sides of the mounting lugs; the device is simple in structure and convenient to operate, labor is saved for medicine injection of hyperplastic scars and keloids, the labor int