In recent years，the frequent food safety issues happened all over the world，consumers are increasingly concerned about food safety issues，especially food additives. It’s important to study the relationship of factors influencing on the perception behavior of food additives and identify the key factors，so as to lead consumers’perception of food additives.

This essay uses fuzzy DEMATEL method to study the relationship of factors influencing on the perception behavior of food additives and identify the key factors and so on. It indicates government’s supervision，enterprises’expectation benefits of economic，the size of enterprises，the integrated level of supply chain and consumer’s demand and preference are key factors.

It’s emergent to perfect the mechanism of government’s supervision，strengthening the basic knowledge of food safety consumption，promoting scientific literacy，health awareness and recognition ability of the public. Government supervision is one of the key factors. Strengthen government supervision mechanism is a pressing matter of the moment，and timely release information and the government’s efforts supervision，so as to restore public confidence in the food market.