A sterilization and deodorization apparatus is provided. The sterilization and deodorization apparatus may include a frame that defines an outer appearance of the sterilization and deodorization apparatus, a plasma unit or device disposed on or at one or a first side of the frame, the plasma unit forming a plasma region to generate a plurality of ions, and a filter unit or filter disposed on the other or a second side of the frame which is spaced apart from the frame. The filter unit may include a filter frame having a plurality of through-holes so that air passes therethrough, and a photocatalyst applied to the filter frame to perform photocatalytic reaction.
