The utility model discloses a quick pass door convenient to overhaul, which comprises a case, a placing groove is dug in the case, adjusting mechanisms are symmetrically arranged on two sides of an inner cavity of the placing groove, a mounting block is connected to one side of each adjusting mechanism, a limiting mechanism is arranged on one side of each mounting block, and a driving mechanism is connected to the top of each adjusting mechanism. One side of the containing groove is connected with a door plate through a connecting mechanism, the adjusting mechanism comprises adjusting grooves, adjusting lead screws and adjusting blocks, the adjusting grooves are symmetrically formed in the front side and the rear side of an inner cavity of the containing groove, the adjusting lead screws are arranged on the bottom faces of inner cavities of the adjusting grooves, and the outer walls of the adjusting lead screws are connected with the adjusting blocks through threads; according to the scheme, a multi-point clamping mounting mode is adopted at the joint of the door plate and the case, so that a worker does not need to hold an external tool to disassemble and assemble the door plate and the case when overhauling the case, and the convenience is greatly improved.