Abstract: This paper introduces a novel calibration device for automatic monitors of water-soluble ions in atmospheric aerosols, aiming to address the lack of quality control technology in this field in China. While the United States and European Union have already issued test reports or developed standard substances for similar foreign equipment, this research contributes to the local development. The calibration device comprises three modules: an aerosol generation system, a sampling system, and an automatic test system based on the principles of HJ799 and HJ800. The final calibration relies on data from the automatic test system to provide correction values or coefficients for the front-end device. The performance of each module has been experimentally validated, confirming their suitability for the intended calibration roles. Due to the system's complexity, further investigation into factors affecting each module’s accuracy is necessary to enhance efficiency and achieve a stable calibration setup.