To provide a toilet deodorizer capable of maintaining high capability for deodorization for a long time and removing bacteria.

A toilet deodorizer takes air in a toilet stool 50 from an intake 2 into an air channel 4, removes an odorous component of air taken into the air channel 4 and discharges the air from an outlet 3, and is provided with a photocatalystic device 6 for generating ultraviolet rays and ozone in the air channel 4 by electric discharge and decomposing an odorous component by a photocatalyst 12 excited by the ultraviolet ray and an ozone decomposing catalyst 8 decomposing ozone. The decomposing catalyst 8 is arranged downstream of the photocatalystic device 6. An adsorbent 57 which adsorbs an odor is provided in the air channel 4.

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