The questioner is asking "What is the central bank big data network?" Information exchange network. The central bank's data sources are basically internal data or statement data submitted by other financial institutions. The institutions have not yet established a unified standard data exchange channel, but also less and other industries for data **** enjoy. To expand the data source, we should develop appropriate data exchange standards, promote inter-agency data openness, expand the central bank data source to other related industries and related organizations, and break the current "data silo".