Introduction Catechol, commonly known as catechol or pyrocatechol, exists in nature in the form of a variety of derivatives, is an important fine chemical raw materials, widely used in pesticides, pharmaceuticals, spices, dyes, photographic materials and rubber and other industries. Catechol can also be used as a rubber hardener, electroplating add Chemicalbook agent, skin antiseptic fungicide, hair dye, photographic developer, color photo antioxidant, fur dyeing agent, paint anti-skinning agent. Although catechol has a wide range of applications in the production, but it is also a class of toxic organic substances, difficult to degrade and seriously pollute the environment.