The utility model discloses a large -scale side frock for hinge mount of opening door, including mainboard, heterotypic bolt, a U type bolt, the 2nd U type screw bolt and nut, first round hole, firstslotted hole, second round hole, second slotted hole and third slotted hole have been offered on the mainboard, two screw rods of a U type bolt are fixed at first round hole and the first trough downtheholely respectively through the nut, two screw rods of the 2nd U type bolt are fixed in second round hole and second slotted hole through the nut respectively, the abnormal shape bolt passes throughthe nut and fixes at the third trough downtheholely, the utility model discloses can eliminate the hinge assembly clearance before the hinge mount, make its stress surface closely carry out the installation work that large -scale side was opened the door under the state of laminating, prevent that side that the hinge clearance leads to from opening the door the exterior angle and sinking, improveinstallation quality and work efficiency that large -scale side was opened the door.