Because there are many unfair distribution phenomena in the existing distribution model of supply chain financial benefits,it is necessary to establish a fair and reasonable distribution method of benefits.Firstly,this paper analyzes the risks faced by financing companies,core enterprises,banks and third-party logistics enterprises under the prepayment financing model in supply chain finance,and then quantifies the risks of each member enterprises through BP neural network.Finally,the initial benefit distribution model of prepayment financing model is constructed by combining the maximum entropy method,and the initial benefit distribution model is modified by the risk value faced by each member company,and the rational distribution of the interests of each member enterprise is realized.
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