there is provided a photocatalytic pulp composition having the antibacterial , bad smell degrading and harmful substance oxidatively degrading effects in various wide uses such as a filter material , packaging material , building material . a photocatalytic pulp composition is effectively used in the air treatment , the water treatment and the soil treatment and improves the photocatalytic activity effect itself . there is provided a photocatalytic pulp composition characterized in that 40 to 95 wt % of a pulp and / or a paper having the water content of 3 wt % or less , the average fiber diameter of 5 to 300 μm and the average fiber length of 0 . 7 to 70 mm is blended with 5 to 60 wt % of titanium oxide . a photocatalytic pulp composition is provided in which 25 to 100 wt % of a thermoplastic resin is blended relative to the total weight of titanium oxide with a pulp and / or a paper blended at the above ratio .