The supervision and service of business integrity of market participants has become a hot issue of social concern with the new normal of economical development. For business sectors，the supervision of corporate integrity needs to be adjusted or upgraded in data integration，data specification，data security，regulatory system，in formation sharing，system optimization and etc. For enterprises and the public，there also exist a large amount of problems to be solved urgently in integrity management，public awareness，brand protection and governance. This paper expounds how big data can help business departments to build business integrity system from the perspectives of difficulties in the construction of business integrity，the overall design，standard system and application scenario of business integrity and prospects the future development of big data application in the field of business integrity.