Abstract: The establishment of food safety demonstration cities is an important carrier of the food safety governance system. This article systematically reviews food safety management system related research. By covering four governance subjects as "party and government sharing responsibility", government supervision, market subjects, social co-governance and 27 evaluation indicators as governance standards such as the creation of production specification and industrial transformation and upgrading. It analyzes food safety demonstration cities in Zhejiang Province by analytic hierarchy process. The result shows that the establishment of demonstration cities by applying secret investigations, on-site inspection, system evaluation, exemplary defense and leveraging certain evaluation process and evaluation standard is an important carrier to achieve the modernization of food safety. Food safety governance system includes "governance carrier-governance subject-governance standard-governance target". The efficiency of food safety governance is highly correlated with dynamic evaluation, public satisfaction and systematic assessment.