In the context of smart education,the practical application of blended learning in marketing courses is not only a trend for the development of deep application of smart education,but also an objective requirement for the teaching reform of marketing courses,and a practical requirement for cultivating talents under the guidance of the new business science.However,some problems,such as over-attachment to the mix of media forms,high dependence on hardware facilities,limitation of practical teaching field,"free riding"phenomenon,have affected the application effect of blended teaching in marketing courses.Starting from target deconstruction+design optimization,platform construction+resource sharing,environment construction+enterprise study tour,hierarchical evaluation+multiple assessment,this paper explores the practical countermeasures of blended teaching in marketing courses under the background of smart education,and deepens the teaching reform of marketing courses.