Food safety emergencies are complex and influential,and its destructive power is often beyond imagination under the new media situation.Based on the microcosmic perspective,the paper carries out theoretical construction of the influencing factors of food safety emergencies with the theory of coupling.Then it analyzes the linkage effect between the intrinsic and extrinsic factor of food safety emergencies.Finally,with the coupling and coupling coordination model referencing,combined with case study,it explores the relationship between the coupling degree and the social influence of food safety ...