The present invention relates to an effect control system of a screening facility chair and a method thereof, and the effect control system includes an input device for transmitting chair angle control information or effect control information input from a user to a management server; the management server for transmitting the chair angle control information or the effect control information to a corresponding motion chair; and the motion chair for adjusting a slope according to the chair angle control information or providing an effect synchronized with an image according to the effect control information.