Abstract: The present disclosure provides a screwless assembled chair, which includes a seat, chair legs and a chair back. The seat and the chair legs are connected through an assembling device. The assembling device includes a mounting component. The mounting component is fixed at a bottom of the seat. A lower end of the mounting component is connected to a connecting component. Two ends of the connecting component are connected to the chair legs. A lower side of the connecting component is connected to a mounting seat. The mounting seat stabilizes the connection between the chair legs and the seat by fixing the mounting component and the connecting component. An insertion structure is arranged at an upper end of the seat. The chair back is provided with a mounting structure. The chair back is connected to the insertion structure, so as to be assembled with the seat.