Adjustable blind hinge

The adjustable blind hinge comprises a door leaf hinge box, a door frame hinge box and a hinge assembly, the hinge assembly comprises a door leaf U-shaped hinge arm, a door frame U-shaped hinge arm, a first hinge shaft, a second hinge shaft, a third hinge shaft, a fourth hinge shaft, a fifth hinge shaft and a fifth hinge shaft, the door leaf U-shaped hinge arm is correspondingly provided with a first shaft hole, a second shaft hole and a third shaft hole, and the door frame U-shaped hinge arm is correspondingly provided with a fourth shaft hole, a fifth shaft hole and a sixth shaft hole. A door leaf U-shaped hinge arm and a door frame U-shaped hinge arm are arranged in a crossed mode and hinged to each other through a third hinge shaft, a first hinge shaft is arranged on a door leaf guide column sliding way through a door leaf guide column, a second hinge shaft is hinged to a hinge hole of a door leaf hinge box, and a fourth hinge shaft is hinged to a hinge hole of a door frame hinge box. And the fifth hinged