The utility model discloses a catalyst arsenic poisoning analogue means belongs to test technical field, including a hollow test cylinder, test cylinder is including arranging the section of volatilizing and the adsorption stage that heating environments detachable put together in, be provided with the arsenic minerals in the section of volatilizing, be provided with integral catalyst in the adsorption stage, period number in test cylinder's the inlet end that volatilizees adsorbs period number in test cylinder's the end of giving vent to anger. The utility model discloses a set up integral catalyst in the adsorption stage to will the section of volatilizing, the adsorption stage sets up in heating environments, through adjustment heating environments 's temperature, simulate the real operating temperature of integral catalyst, thereby realize the accurate test to integral catalyst arsenic poisoning.