Industrial big data is the general term for related data sets in the industrial field, the core of the industrial Internet, the basic raw material for the development of industrial intelligence and an important strategic resource for the transformation and upgrading of China's manufacturing industry. The research field revolves around the demand and deep integration of high-end CNC machine tools, robotics and intelligent equipment industry development technology and new generation information technology for industrial big data. For the digital workshop construction, it is necessary to solve the urgent demand between the intelligent equipment interconnection technology and industrial big data basic application, also do the research on industrial big data protocol architecture, standard system, interoperability testing and engineering applications.