Abstract: The present invention discloses a plume-reducing cooling tower including a housing having a space formed therein, the housing including a lower air inlet formed at a lower portion thereof for allowing external to enter the space thereof and an upper air outlet formed at an upper portion thereof for exhausting exhausted gas; a filler-unit provided at a place above the lower air inlet in the housing for allowing external air to pass therethrough and flow upward; a treated-water spraying unit provided above the filler-unit in the housing for spraying treated-water on the filler-unit; a discharging unit provided above the treated-water spraying unit in the housing for electrifying mist, which is contained in water vapor formed by a contact between treated-water and the external air, through a corona discharge and collecting mist; and an exhausting unit provided at the upper air outlet for exhausting exhausted air passed through the discharging unit.