Whether financial data journalism has constructive attribute，or data quality and effective visualization could improve its constructiveness？Focused on these issues，the research collect 992 data journalism samples from 7 medias agencies to make the context analysis. Data shows that financial data news has constructive attribute. The breadth of data and composite visualization types have a significant impact on the constructiveness of financial data journalism. Data quality and accurate use of visualization elements，here is a significant correlation between breadth and depth of data. At this stage，we should tell the fantastic Chinese economic stories according to the core of constructiveness，creating the positive value of financial data Journalism，strengthening its serviceability，dynamiting interaction，and enhancing the public participation and credibility.