Arsenic is one of the most important single-substance toxicants in the environment. In Inner Mongolia of China, 300000 residents are believed to drink water containing 50 μg/L. Skin lesions have been known as the most common consequences resulting from Arsenic is one of the most important single-substance toxicants in the environment. In Inner Mongolia of China, 300000 residents are believed to drink water containing 50 μg / L. Skin lesions have been known as the most common consequences