“送教下乡”是加快城乡教育均衡发展,缩小城乡教育差距,最大限度发挥“城乡互动、相互促进、共同发展”的重要培训手段。但在实际培训中,实践者往往依照自己的想法,派一两位专家教师搞个讲座或上两堂示范课,和参训着者的需求并不适合,与参训者的培训要求相去甚远,这样导致培训效果不尽人意。湖南省教育厅《关于“十二五”时期中小学教师培训工作的意见》(2011)明确指出“培训效果评价要以帮助教师解 ”Teaching to go to the countryside“ is to speed up the balanced development of urban and rural education, narrowing the gap between urban and rural education, to maximize ”urban-rural interaction, mutual promotion and common development," an important training tool. However, in actual training, practitioners often send one lecture or two demonstration classes according to their own ideas, and the needs of participants are not suitable for training. Far, this led to unsatisfactory training effect. Opinions of Hunan Provincial Department of Education on Training of Primary and Secondary School Teachers in the Twelfth Five-year Period (2011) clearly indicate that training effectiveness evaluation should be based on helping teachers