A vehicle seat construction includes a reinforcement member, which is secured on a frame of a vehicle seat main body, and anchor bars fixed on the reinforcement member such that connector portions of a child seat can be brought into releasable engagement with the anchor bars, respectively. The vehicle seat main body is provided with a seat cushion and a seatback. The anchor bars are fixed on upper portions of the reinforcement member, respectively, such that guide portions for guiding the corresponding connector portions of the child seat to the associated anchor bars are located below the anchor bars.