Child chair

The utility model provides a child chair which comprises a child chair seat and a dinning unit, wherein the child seat comprises a chair seat casing, and the dinning unit is installed on the child chair seat and comprises a tray and a central fixing supporting device. The central fixing supporting device extends downwards from the tray connected with the child chair seat. The chair seat casing comprises a chair seat bottom and a chair back. The chair seat bottom comprises a front edge, a rear edge isolated from the front edge, a first side extending between the front edge and the rear edge and connecting the front edge and the rear edge and a second side isolated from the first side and opposite to the first side, and the chair back extends upwards along the rear edge of the chair seat bottom from the chair seat bottom. According to the child chair, the fixing and supporting device can be provided for preventing the tray from responding to force exerted on the tray and shaking.