Abstract: The fishery product quality traceability system of multi-level and multi-hierarchy role access control was designed and implemented based on identification technology combined with product code and flow code and XML Web Services data transfer technology and User Access Control based on role technology from research on the flow of fishery products. It provided a platform for exchanging information of producing, circulating and consuming between supply chain participants, such as producers, quarantine inspectors, supervisors and consumers, who could obtain services of traceability, certification, supervision and preventing falsity by telephone, internet and short messages. The research results foreshow a good prospect of application and extension.