A refrigerator comprising: a refrigerating room configured to refrigerate goods; and a deodorizing apparatus (1, 3 to 5) disposed in the refrigerating room and comprising: a blower (10, 310, 410, 510) configured to generate a flow of air; an absorptive decomposer (50, 350, 450, 550) disposed downstream from the blower (10, 310, 410, 510) and configured to absorb a malodorous substance from air passing therethrough and to decompose the malodorous substance by being heated; a heater (30, 60, 360, 430, 460, 560) disposed downstream from the blower to heat the absorptive decomposer (350, 450, 550) or downstream from the blower and upstream from the absorptive decomposer (350, 450, 550) to heat air to be entered the absorptive decomposer (350, 450, 550); and a suppressor (371, 372; 471, 472; 571) configured to prevent air passed through the absorptive decomposer (350, 450, 550) from being discharged to the outside of the deodorizing apparatus; and characterized in that the deodorizing apparatus (1, 3 to 5) further comprises a case (90, 390, 490, 590) configured to accommodate the blower (310, 410, 510), the heater (360, 460, 560), and the absorptive decomposer (350, 450, 550), the case comprising an inlet through which air enters and an outlet through which air exits, the suppressor (371, 372; 471, 472; 571) is configured to circulate air passed through the absorptive decomposer in the inside of the case in a state where the inlet and the outlet are closed, the heater (360, 430) is configured to heat the absorptive decomposer without making contact with the absorptive decomposer, the deodorizing apparatus (3 to 5) further comprises a processor (300, 400, 500) configured to control driving of the blower (310, 410, 510), and the processor (300, 400, 500) is configured to control driving of the blower (310, 410, 510) to reduce an air volume when the heater heats air. a refrigerating room configured to refrigerate goods; and a deodorizing apparatus (1, 3 to 5) disposed in the refrigerating room and comprising: a blower (10, 310, 410, 510) configured to generate a flow of air; an absorptive decomposer (50, 350, 450, 550) disposed downstream from the blower (10, 310, 410, 510) and configured to absorb a malodorous substance from air passing therethrough and to decompose the malodorous substance by being heated; a heater (30, 60, 360, 430, 460, 560) disposed downstream from the blower to heat the absorptive decomposer (350, 450, 550) or downstream from the blower and upstream from the absorptive decomposer (350, 450, 550) to heat air to be entered the absorptive decomposer (350, 450, 550); and a suppressor (371, 372; 471, 472; 571) configured to prevent air passed through the absorptive decomposer (350, 450, 550) from being discharged to the outside of the deodorizing apparatus; and characterized in that the deodorizing apparatus (1, 3 to 5) further comprises a case (90, 390, 490, 590) configured to accommodate the blower (310, 410, 510), the heater (360, 460, 560), and the absorptive decomposer (350, 450, 550), the case comprising an inlet through which air enters and an outlet through which air exits, the suppressor (371, 372; 471, 472; 571) is configured to circulate air passed through the absorptive decomposer in the inside of the case in a state where the inlet and the outlet are closed, the heater (360, 430) is configured to heat the absorptive decomposer without making contact with the absorptive decomposer, the deodorizing apparatus (3 to 5) further comprises a processor (300, 400, 500) configured to control driving of the blower (310, 410, 510), and the processor (300, 400, 500) is configured to control driving of the blower (310, 410, 510) to reduce an air volume when the heater heats air. a blower (10, 310, 410, 510) configured to generate a flow of air; an absorptive decomposer (50, 350, 450, 550) disposed downstream from the blower (10, 310, 410, 510) and configured to absorb a malodorous substance from air passing therethrough and to decompose the malodorous substance by being heated; a heater (30, 60, 360, 430, 460, 560) disposed downstream from the blower to heat the absorptive decomposer (350, 450, 550) or downstream from the blower and upstream from the absorptive decomposer (350, 450, 550) to heat air to be entered the absorptive decomposer (350, 450, 550); and a suppressor (371, 372; 471, 472; 571) configured to prevent air passed through the absorptive decomposer (350, 450, 550) from being discharged to the outside of the deodorizing apparatus; and characterized in that the deodorizing apparatus (1, 3 to 5) further comprises a case (90, 390, 490, 590) configured to accommodate the blower (310, 410, 510), the heater (360, 460, 560), and the absorptive decomposer (350, 450, 550), the case comprising an inlet through which air enters and an outlet through which air exits, the suppressor (371, 372; 471, 472; 571) is configured to circulate air passed through the absorptive decomposer in the inside of the case in a state where the inlet and the outlet are closed, the heater (360, 430) is configured to heat the absorptive decomposer without making contact with the absorptive decomposer, the deodorizing apparatus (3 to 5) further comprises a processor (300, 400, 500) configured to control driving of the blower (310, 410, 510), and the processor (300, 400, 500) is configured to control driving of the blower (310, 410, 510) to reduce an air volume when the heater heats air.