With the rapid development of information and network in China, the emergence of big data has become an inevitable event in the development of the times. In the process of industry and enterprise informationization, mastering the processing ability of big data ensures the f information development occupy a leading position. This paper researches on the meaning, present situation and effective application path of industry and enterprises informationization. It concludes that informationization application must strengthen data safety management, construct large data base platform, create good construction environment and implement the data integration and the conclusion, in order to provide reference for present industry and enterprise informationization application