A display screen turning apparatus includes a plate-shaped support shaft, a display screen support member, including a sectorial first hole, provided on the side of a display screen, serving as the rotation center, of the plate-shaped support shaft and a base support member, including a sectorial second hole, provided on the side of a base, while a first root portion of the sectorial first hole is arranged on the upper side of the first hole, a second root portion of the sectorial second hole is arranged on the lower side of the second hole, and a first side surface of the plate-shaped support shaft is inclined by a prescribed angle with respect to a vertical direction to come into contact with a first inner side edge of the sectorial second hole of the base support member when the display screen is vertically arranged with respect to a horizontal plane along with the display screen support member.