Screwdriver for mounting titanium screws

The invention discloses a screwdriver for mounting titanium screws. For the screwdriver, a sleeve (2) is arranged at the lower part of a shell (1), a pressing device is arranged on a screwdriver head(3) vertically placed in the central position of the inside of the shell (1), the screwdriver head (3) is downwards pressed through the pressing device, a screw extruding device is arranged on the topof the shell (1), a plurality of titanium screw mounting boxes (4) are arranged in the shell (1), the plurality of titanium screw mounting boxes (4) are distributed on the periphery of the screwdriver head (3), a titanium screw inlet (5) and a titanium screw outlet (6) are arranged on the top and the bottom of each titanium screw mounting box (4), each titanium screw outlet (6) communicates withthe inside of the sleeve (2), a titanium screw elastic outlet (7) is arranged in the bottom of the sleeve (2), and the size of the titanium screw elastic outlet (7) corresponds to that of each titanium screw (8). When the screw