An occupant customized seat control apparatus and method are provided. The method includes recognizing, by a camera, an occupant that approaches a vehicle, controlling a display to move based on a height of the recognized occupant, determining whether the recognized occupant is an infant, and when the recognized occupant is determined to be an infant, determining whether a booster seat needs to be controlled based on the height of the recognized occupant, and when at least one of the booster seat, a footrest, or the combination thereof needs to be controlled, converting a value of the recognized height into a booster seat actuator movement amount value, and controlling the booster seat to move based on the converted actuator movement amount value.

A child safety seat includes a backrest and a base. The backrest and the base are detachably connected. The backrest is provided with a headrest that is movable up and down. Side wings are provided at two sides of the headrest. The side wings are connected to the backrest through rotating shafts. Opposite sides of the side wings are provided with slide rails. The slide rails are spiral. The headrest is provided with sliders matched with the slide rails. The slide rails are provided in a same direction as the rotating shafts. The child safety seat has the following advantages. The sliders are slid up and down to unfold or fold the side wings, thereby adjusting a width of the side wings to suit different users. Such a linkage structure occupies less space and spares more space for other components of the backrest.