Abstract: The research progress of emerging food safety risk was reviewed, including its definition, category, early identification mechanism and procedure. Emerging food safety risk can be defined as unanticipated risks that occur accidently or naturally, as well as those arising from deliberate fraud or acts of malevolence. In order to prevent emerging risks, it is key to identify emerging risks in early stage. The early identification is procedure that explore novel issue and potential new threats in food supply chain by the monitoring, collection and analysis of data and information from different types of sources, with a view to identifying trends and developments of risk factors. The selection and settings of risk informations is very important in this procedure.