The invention provides a novel recliner chair suitable for a cinema, which relates to a chair used in a cinema, a conference hall and other public places, in particular to a chair mounted on stepped ground of the above occasions. An underframe and an electric recliner chair body fixed on the underframe are included. The underframe includes a horizontal frame and a vertical frame, and the horizontal frame and the vertical frame are arranged in a “T”-shaped manner. The recliner chair in the invention is suitable for the stepped ground, and is convenient to mount and firm to fix. And the floor area ratio per unit area may be improved, so that the designed accommodation number of people in the whole cinema becomes larger.