This standard specifies the catalyst activity test method for wet catalytic oxidation of organic wastewater. This standard applies to TiO2, CeO2, ZrO2, TiO2ZrO2, C, γAl2O3 as the carrier, with one or more elements from Ru, Pd, Pt, Mn, Cu, Fe, Ce as the main active component. A supported catalyst for wet catalytic oxidation of organic wastewater containing benzene rings.