Novel arc-surface drilling jig

The utility model relates to a novel arc-surface drilling jig, which is combined for use by a base, a supporting seat, a drilling template, a compression device, a stretching screw, an aligning tip, a fixing drill bush, a quick-changing drill bush, a hinge axis assembly and other parts. The arc-surface drilling jig can complete the processing for a hole on the circular arc camber of a workpiece.