<p>Disclosed is an electrode for plasma generation comprising a plurality of collecting units which have a plurality of through holes and are arranged at a distance from one another in the flowing direction of a gas to be processed while facing the gas stream. This electrode for plasma generation is applicable to a plasma reactor of a processing device which is used for those discharge a flue gas containing PM, namely an exhaust gas purification device for automobiles or a flue gas processing device for a facility discharging smoke such as a plant.</p>
