Abstract: This paper analyzed the sources of wastewater in the production process of organic silicon, and the characteristics and main pollutants of the wastewater. At present, there was no reliable and stable technology for the treatment of silicone wastewater. The experiments on pulse electro-coagulation, Fenton oxidation, evaporation crystallization, biochemical and deep oxidation processes were carried out in order to improve the stability and efficiency of the organic silicon wastewater treatment system, and the discharge in compliance with national standard has been achieved.