Abstract: In this paper, the food safety supervision and inspection approaches, workflows, inspection methods, inspection equipment, inspection contents and requirements on the inspectors which are adopted by the United Nations Food and Agriculture Organization (FAO), New Zealand, the United Kingdom and the United States are compared, and the existing problems in China's food safety supervision and inspection work are analyzed. Based on the comparison and analysis, this paper puts forward suggestions on constructing a modern food safety inspection system and provides a reference for building up a modern food safety supervision and inspection system and technologies of a new era, which is in line with China's national conditions.