Sign auxiliary device

The utility model discloses a signature auxiliary device which comprises a bottom plate, a side plate is vertically fixed on one side of the bottom plate, a clamping mechanism is arranged on the side plate, the clamping mechanism comprises a first clamping plate which is horizontally arranged on the side, facing the bottom plate, of the side plate and is close to the top position, a pressing plate is horizontally arranged below the first clamping plate, and a second clamping plate is arranged below the pressing plate. The pressing plate is movably connected with the side plates in an abutting mode, springs are vertically connected to the positions, close to the two ends, between the pressing plate and the first clamping plate, and a positioning mechanism is arranged at one end of the bottom plate and comprises a fixing block fixed to the end of the bottom plate and a sleeve rod vertically inserted into the top of the fixing block. A plurality of positioning magnetic labels are arranged on the sleeve rod in a