With the rise of Internet media and increasing impact of Internet public opinion，Internet has now become a place for public idea expression and one of main media for government organization risk communication.It plays a significant role in public events report and risk monitoring improvement.Micro-interview，as a new interview type on the basis of micro blog，provides the public an opportunity to directly communicate with distinguished guests due to its openness，transparency，and engagement.This dissertation gives a brief analysis of Sina micro-interview’s development，and comments on the guests’ response by taking an example of “Interpretation of the national food safety standard”micro-interview.This paper holds an opinion that micro-interview can be widely used in risk communication and works as a new way for public to participant in risk information and for government to promote deliberative democracy since it will be of great significance in government-public communication and interaction.