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摘要A cell for indoor air sterilization and purification containing a photocatalyst and an indoor air sterilization and purification device are provided. The indoor air sterilization and purification cell is a cell for indoor air sterilization and purification that is mounted vertically inside an indoor air sterilization and purification device that performs sterilization and purification by emitting activated ions into the air, and has repetitive convexities and concave portions on the inner surface. A main body portion having a concavo-convex surface formed of and a photocatalyst is applied to the concave-convex surface; and a UV light source disposed inside the main body and irradiating UV (Ultra Violet) light toward the photocatalyst.