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Facing the problem that the traditional database can not meet the demand of storing and accessing the information in safety monitoring of agricultural products, this paper put forward a solution of using distributed technology to solve the problem.By using Linux cluster technology,the paper designs a platform based on Hadoop which can store and process the big data.The experiment and the results show that the solution have advantage over those traditional methods in storing and accessing the massive information in safety monitoring of agricultural products and it provides some support for the construction of the safety monitoring and early warning system for agricultural products.