An engine hood device for a vehicle composed by an outer board (10) and an inner board (12) is disclosed; the engine cover device comprises an impact absorbing component (30) extending in a vehicle-width direction, the impact absorbing component (30) comprises a lower surface (32) connected with the inner board (12), a wall part (34) extending upwards from the lower surface (32), and an upper surface (36) extending from an upper edge of the wall part (34) in a longitudinal direction of the vehicle; the impact absorbing component (30) locates between the outer board (10) and the inner board (12) in an area of the back of the engine hood and extends upwards in the vehicle-width direction, in order to efficiently absorb the impact force of the back area of the engine hood which is provided with a rigid subassembly below, reducing the damage degree.