The key of the big data application is the data source，productionalization and value creation. However，the lack and poor quality of the data source，shortage of the applied scene and poor of creation ability have seriously restricted the big data application. With the wide prospect，the big data application will be more easily get breakthrough on data-intensive fields. Meanwhile，the data source is uneven distributed.It is a necessary for the government to open the data source to promote the big data industry development，especially to reform the inappropriate industrial management mode which will enhance the existed big data application.