Abstract:The consumption and turn volume of edible agricultural products are great in Guangdong province, because of the largest amount of people in China. Meanwhile, Guangdong shoulders the heavy burden of ensuring the major supply of fresh farm products in Hong Kong and Macao region. The quality and safety of agricultural products not only effect the health of consumers, social harmony and stability, but also relates to the healthy development of agricultural industry. Quality traceability is an important technology to guarantee the quality and safety of agricultural products. Based on the analysis of current traceability system situation and the major problems from the aspects of technological innovation, industrial application and area impulse , this paper established key technique of agricultural products traceability system, and put forward how to trace the plant products and Animal products quality and security information. On how to comprehensively promote the construction of food safety traceability system in Guangdong province, this paper proposed a series of suggestions, such as improving the standardization system to solve the problem of agricultural products traceability information fault, strengthening the construction of good faith and the development of e-commerce, accelerating marketization mechanism formation, establishing a cross-sectoral, cross-regional quality and safety of agricultural products traceability information management platform, and so on.