The intelligent low concentration sulfur dioxide corrosion test chamber uses sulfur dioxide gas to accelerate the corrosion of materials or products in a certain temperature and relative humidity environment, reproducing the degree of damage suffered by materials or products within a certain time range. Equipment can be used to assess the ability of materials and their protective layers to resist sulfur dioxide corrosion, as well as to compare the process quality of similar protective layers. It can also be used to assess the ability of certain products to resist sulfur dioxide corrosion.