Abstract: Big data is a topic which attracts great attention from both theoretical circle and practice sector. With the rapid progress of anti-corruption and the development requirement of anti-corruption informationalization in China, big data application in the field of anti-corruption is becoming urgent. Making good use of the potential of information data will make a significant contribution to the anti-corruption cause in China. However, the current big data application environment is not perfect and risks exist in the application. So it is necessary to take some measures to promote anti-corruption through big data.