Potential failure consequences The principle of FMEA assists in the hazard analysis and control of key links in food production in the HACCP system. This article focuses on the HACCP system, introducing that it is built based on GMP and SSOP, and ensures food safety with a preventive approach... Hazard analysisDetermine the critical control points The FMEA system disassembles thinking to perceive risks and builds a pre - insurance for legal affairs. Taking "bank robbery" as an example, this paper elaborately disassembles the core elements of FMEA, including process definition, potential failure modes... Current process controlPotential failure mechanism