As Intelligent Manufacturing gets great support, the manufacturing industry is gradually developing more and more intelligently. A large number of data acquisition equipment has been utilized in workshops, collecting mass data of the production. By analyzing these data, big data technology can give full play to the value of data, raise the management level, and improve the competitiveness of enterprises. Combing the applications of big data in manufacturing enterprises, the framework of big data processing platform in intelligent workshop is put forward. Based on data integration, data processing and data analysis, big data technology is fully discussed, and the direction of its application in workshop is pointed out. Big data technology is of great value to the production in the intelligent workshop and its wide application will bring great changes to the industry and boost the development of intelligent manufacturing into a new stage.