The blockchain technology has reformed the traditional Internet，promoted the disruptive upgrading of new generation Internet，rebuilt the Internet of democracy，the Internet of value，and the Internet of order. While blockchain applied to journalism，the below links of value chain would be reconstructed：news’production，content review，distribution，marketing and communicating effect evaluation. At the same time，we must maintain technical rationality in the context of risk society，keep vigilance in potential risks of blockchain applications in journalism，and strengthen the risk governance by using the multi-stakeholder model.