▎ 摘　　要

NOVELTY - Nitrogen-sulfur double-doped porous carbon material catalyst is claimed. The porous carbon material includes nitrogen-sulfur source and carbon source in a mass ratio of 1-50 wt.%, the carbon source is glucose, and the nitrogen-sulfur source is cysteine. USE - Used as nitrogen-sulfur double-doped porous carbon material catalyst. ADVANTAGE - The nitrogen-sulfur double-doped porous carbon material catalyst: has excellent catalytic performance; and exhibits synergistic effect which promotes the adsorption and catalytic degradation of antibiotic organic pollutants; and co-doping of nitrogen and sulfur not only ensures the catalytic stability of the catalyst. The method: utilizes available cheap and easily available raw materials; is environmentally friendly and pollution-free and has low production cost. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing nitrogen-sulfur double-doped porous carbon material catalyst comprising (i) taking certain amount of carbon source, nitrogen source and sulfur source, mixing and dispersing them in an aqueous solution, then transferring to a hydrothermal reactor container, raising the temperature to a certain temperature and keeping for certain period of time to obtain carbon material containing carbon, nitrogen and sulfur, (ii) introducing synthesized carbon material containing carbon, nitrogen and sulfur into a quartz glass container, adding inert gas as a protective gas, calcining at a high temperature for a certain period of time, grinding and pulverizing, natural cooling to obtain nitrogen-sulfur double-doped carbonized material, (iii) adding synthesized nitrogen-sulfur double-doped carbonized material into a customized crucible, adding certain proportion of sodium hydroxide solution and anhydrous ethanol, stirring evenly, uniformly transferring to an oven for drying at a certain temperature, then transferring to a high temperature tubular furnace, introducing inert gas as a protective gas, calcining at high temperature for a certain period of time, and natural cooling to obtain final product.