政策执行是检验政策的科学性与合理性的重要标准。近来食品安全事件频发而屡禁不止,暴露出食品安全政策执行阻碍重重。文章主要以史密斯模型为工具,揭示了政策本身不理想、执行机构运转失灵、目标群体认知上偏差、政策执行环境封闭四个方面的因素对政策执行产生的影响,在此基础上提出相应的对策。 Policy implementation is to test the policy of scientific and reasonable important criterion. The recent frequent food safety incidents have repeatedly banned, revealing the implementation of food safety policy obstacles. The article mainly uses the Smith model as a tool, reveals the impact of policy implementation in the four aspects of the policy itself is not ideal, the executing agency fails, the target group cognitive bias, the implementation of the policy environment closed, on the basis of which the corresponding Countermeasures.