Objective To ensure Chinese consumer's health and to protect the safety of Chinese food import and export trade.Method Capacity building was developed by establishing analysis methods,monitoring and surveillance network,prealerting system,system of food control such as HACCP, and upgrading national standards on food safety in China.And the technology was demonstrated comprehensively in typical areas.Results Two national networks were set up,as the National Surveillance Network for food contamination and food borne disease,and the Surveillance and Prealertting Network Import and Export Food Safety;40 national standards and 166 technical and regional standards were set up and revised,and 385 standards were applied and ongoing,especially 2 international standards were set up,which were involved 595 proposal values of maximum limit and 58 practice codex guideline in the field of production and circulation;219 analytical method were developed,especially multi-residues method were developed for 150 pesticides and 122 veterinary drugs respectively,81 test kits technology and fast on-site detection technologies as well as 25 related equipments were developed also,128 national patents applied for and 36 patents authorized.The capacity building were improved in 3 national institutions and 168 analytical laboratories have participated in international proficiency test and got accredit of related international laboratories;demonstration model of food safety were set up in 10 areas,which involved in 219 enterprises;Conclusion The progress was made great in the study of key technology in food safety,which has significant meaning and great contribution in capacity building of food safety in China.