中文摘要：

在复合Poisson过程的风险模型中引入了干扰项，分析得到调节系数与破产概率表达式，并通过具体案例给出了农民工医疗保险模型中破产概率与初始资本的关系。

英文摘要：

In this paper , interference item was introduced in the risk model of compound Poisson process.Adjustment coefficient and the formula of the ruin probability were derived .By the case, the relation-ship between the ruin probability and the initial capital of the medical insurance risk model of migrant works was discussed .