Folding chair

The utility model discloses a folding chair, which relates to the technical field of infant products and comprises a chair seat, the chair seat is provided with a sliding hole and two positioning grooves, and the two positioning grooves are positioned on two opposite sides of the sliding hole; the chair back is provided with a sliding part and two positioning parts, the tail end of the sliding part is provided with a limiting plate, the sliding part extends into the sliding hole and is in vertical sliding fit with the sliding hole, and when the limiting plate abuts against the chair seat, the positioning parts are separated from the positioning grooves, and the chair back rotates relative to the chair seat; the number of the armrests is two, the armrests are located on the two opposite sides of the chair seat, and the armrests are rotatably arranged on the chair seat; and the table board is detachably arranged on the two armrests. The folding chair is simple in structure, convenient to fold and capable of sav