he problem of food safety traceability is a hot research at present.The paper pointed out that the major problems in food safety traceability are that the tracing cost is too high and the traceability is limited by the fragility of the provision chain.On the basis of analyzing the causes of traceability problems and the traceability progress at home and abroad,the paper proposed some related suggestions:changing food circulation ways,using modernization transaction methods,improving the laws of food safety traceability,caring on the design of green supply chain which mainly included seven links:the green design,the green material selection,the green production,the green packing and transportation,the green marketing as well as the green recycle.