The invention discloses light blocking glasses with injection molding magnetic sheets. The light blocking glasses comprise a main glasses frame, hinge structures and glasses legs, the main glasses frame is provided with a light blocking glasses rack in a magnetic absorption mode, the light blocking glasses rack comprises a light blocking glasses frame body, the upper end face of the light blocking glasses frame body is provided with a light blocking plate in an extension mode, the side wall of the main glasses frame is provided with hinge seats which allow the hinge structure to be installed in a horizontally extending mode, each hinge structure comprises a hinge shaft assembly which is fixedly arranged on the corresponding hinge seat and a hinge hole assembly which is arranged on the corresponding glasses leg, the hinge seats are provided with upper connection pieces and lower connection pieces which extend in the direction of the face of a wearer, the upper connection pieces and the lower connection pieces are in linkage through penetrating of connection shafts, the end, facing the corresponding hinge seat, of the corresponding glasses leg is in interference insertion with a connection block, one end of each connection block is provided with a protruding shaft end with a shaft hole, the shaft ends penetrate through the radial ends of the glasses legs to be connected with the connection shafts, the absorption magnetic pieces are integrally formed in the connection blocks, the light blocking plate is provided with matched magnetic pieces attracted to the absorption magnetic pieces, matched magnetic pieces are located above the absorption magnetic pieces, and the light blocking plate is magnetically absorbed to the main glasses frame. The light blocking glasses are convenient to assemble and disassemble, and the effect of dual purposes is achieved.