Soil erosion is more and more serious in the development and construction processing.Soil erosion in highway cons truction is limited in a linear pattern. It may stride across multiple basins and varioustypes of landforms so that the influence range of soil erosion is extensive. The countermeasures to soil erosion in highway const ruction are an importantaspect in reducing soil erosion in development project.According to the investigation data, the causes of soil erosion in highway construction are sumed up, and the general count ermeasures are put forward.