Food standards are the important basis and criterion to guide the scientific， standardized and orderly implementation of food safety supervision.But there are problems such as poor compliance with regulatory needs. At present， China’s food standard system is still in the stage of gradual construction stage. According to the role and application of food standards in the food safety supervision， the compliance and matching are analyzed and studied between food standard system and actual supervision. The paper mainly analyzes China’s food standard system according with the application during food safety supervision. It is suggested to improve the follow-up evaluation of the standards tracking and evaluation gradually， simplifying and optimizing the revision process of the standard system， and integrating food classification standards to provide strong support and basis for food safety supervision.