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China is the production of aquatic products, the country of consumption, and seafood safety issue has been the focus of concern of the whole society. Quality of aquatic products in recent years, a spate of safety problems, not only harmful to the health of consumers, but also caused huge economic losses to the enterprise and the state. Aquatic product quality and safety issues that may occur in the various aspects of the supply chain, therefore, enterprises should import supply chain management strategy, reflected in the seafood supply chain security risk management and control, to improve the economic efficiency of enterprises and safeguard the health of the people Security has a very important practical significance. In this paper, the aquatic supply chain security risk as the research object, an Agricultural Development Co., Ltd. in Foshan, Guangdong Province, as the case background, focus on the aquatic supply chain security risk management problems, mainly to complete the work of the following aspects: first, research at home and abroad is reviewed on the aquatic supply chain and its quality and safety issues, research the basic theory of the the aquatic supply chain security risk management; second, in accordance with the the aquatic supply chain security risk key factors to identify and determine the water product hazard risk element evaluation indicators and the aquatic supply chain security risk evaluation; Third, the comparison of several evaluation methods, the result of interference factors for the score of subjective factors and data noise problem, as well as taking into account the risk factors mutual influence, and proposes an improved combination of rough set and system dynamics method of risk evaluation. Firstly, the use of rough set theory to calculate the risk of occurrence of the possibility of weight and the risk of harmful weight, and then to analyze the causal relationship between the main risk in the seafood supply chain system dynamics theory of causality, two weight dynamic adjustments in order to calculate the risk influence evaluation survey given case evaluation; fourth proposed a set of active the aquatic supply chain security risk early warning control program. First explore the basic functions of the early warning system, the structure and operation of process; then net platform, MS SQL server and Matlab simulation tools to design and implement the seafood supply chain from system processes, system architecture, database design, system functions through the MS Visual Studio security risk early warning decision-making systems. Focus on three aspects. First, given a comprehensive evaluation of the risk based on rough sets algorithm achieved; instance, in accordance with the algorithm given warning early warning analysis based on BP neural network algorithm; designed risk emergency case base case-based reasoning, which retrieve case the initial search, similarity search and retrieve results similarity weighted voting algorithm, and an example is given. Finally, some of the quality and safety of the seafood supply chain management recommendations from a macro perspective.
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