A display screen turning apparatus capable of improving assembling workability and suppressing jolting at a time of rotation is obtained. This display screen turning apparatus includes a rotating member mounted with a display screen portion and rotatable in a horizontal plane, a base provided with an upright portion rotatably holding the rotating member and having a first hole, a regulating member so mounted on the upright portion of the base as to prevent the rotating member from moving upward, and a stop member formed in a tapered shape by end surface portions, and holding a state where the regulating member is in contact with the rotating member by inserting the stop member into the first hole of the upright portion of the base and pressing the regulating member.