The utility model discloses an along face discharge device blocks the intraductal tubular metal resonator that is equipped with of medium one, blocks that the medium outside of tubes twines the springfrom one end to the other end, blocks that the both ends of medium are equipped with the fixing base, and anode line links to each other with the tubular metal resonator at the left end, and the negative pole line links to each other with the spring at the right -hand member. The beneficial effects of the utility model are that, in certain space, for example the office, the room, clinics etc. Canhigh -efficient quick indoor air purification, sterilization, remove the flavor, and simple structure, and it is easy to make, and the cost is not high, and the demand is extensively and practical.