A safety lamp bulb connector assembly includes a lamp socket with a bottom flange, retaining blocks located on the periphery of the lamp socket and spaced above the bottom flange of the lamp socket, a screw holder disposed adjacent to the bottom flange of the lamp socket, a lampshade having a center opening cut through the bottom wall thereof for receiving the lamp socket and two notches radially outwardly extended from the center opening at two opposite sides for the passing of the retaining blocks for enabling the lampshade to be secured to the lamp socket after insertion of the retaining blocks through the notches and rotation of the lampshade through an angle relative to the lamp socket, and a screw mounted in the screw holder and inserted into one notch of the lampshell to prohibit rotation of the lampshade relative to the lamp socket.