Locating type nailing auxiliary device capable of being hung

The invention discloses a locating type nailing auxiliary device capable of being hung. The nailing auxiliary device comprises a bottom plate, rotary support sheets are symmetrically arranged in the middle of the top of the bottom plate in the front-back direction, and a support plate is arranged between the two rotary support sheets in a rotating and matching mode; the rotary support sheets are movably connected to the support plate through bolts, angle scales are arranged on the outer side surfaces of the rotary support sheets, and telescopic locking pins are arranged on the outer side surfaces of the rotary support sheets and are located between the angle scales and the bolts; scale pointers are arranged on the front end face and the rear end face of the support plate, a pull ring is arranged at the top end of the support plate, and half-round grooves are formed in the front end face and the rear end face of the support plate. The nailing auxiliary device is simple in structure, low in cost, convenient and