The invention discloses a surface cover pushing structure which is applied to an exhaust hood, is used for pushing a surface cover assembly to be opened and closed, and comprises a first fixed base, a first rocker arm, a hold-down assembly and an elastic part, wherein the first fixed base comprises a first fixed plate, and two first supporting plates which are positioned on the first fixed plate and are arranged oppositely; the first rocker arm comprises a first rotating body rotationally connected with two first supporting plates and a first rotating arm arranged on the first rotating body, the first rotating arm is rotationally connected with the surface cover assembly, and the first rotating body is provided with a projecting tongue; the hold-down assembly is connected with two first supporting plates in a sliding manner; the elastic part is fixedly connected with two first supporting plates, and is elastically connected with the hold-down assembly so as to push the hold-down assembly to slide; when the surface cover assembly is closed, the hold-down assembly holds down the projecting tongue to generate a pushing force for pushing the surface cover assembly to be closed. The invention also discloses an exhaust hood. According to the surface cover pushing structure, closing reliability of the surface cover assembly is improved.