Folding child seat

The utility model discloses a folding child seat, relates to the field of child seats, and solves the problem that a child seat is difficult to meet the requirements of children of various heights and figures when facing children of different age groups and different heights and figures, the folding child seat comprises a main body frame, and the top of the main body frame is fixedly connected with a back supporting plate; a matching groove is formed in the outer side of the main body frame, a front protection plate is fixedly connected to the top of the hip supporting plate, an outer protection plate is fixedly connected to the top of the front protection plate, and a placement platform is inserted into the top of the outer protection plate; the foot supporting plate and the hip supporting plate are fixed by being inserted into the corresponding mounting grooves, the positions of the foot supporting plate and the hip supporting plate can be changed through the multiple sets of mounting grooves in the inner s