Provided is a sterilization and deodorization apparatus. The sterilization and deodorization apparatus includes a frame defining an outer appearance, a plasma unit disposed on one side of the frame, the plasma unit forming a plasma region to generate a plurality of ions, and a filter unit disposed on the other side of the frame that is spaced apart from the frame unit. The filter unit includes 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.