This paper discussed the teaching model of ＂Integration of teaching,learning,doing＂ in higher vocational education,analyzed the deficiencies of traditional teaching model in the professional courses teaching,and proposed some problems when ＂integration＂ teaching model applied to actual teaching,and explored the reasons.The author propose the optimized ＂integration＂ teaching model based on working process,which combine her own teaching practice in course of ＂SCM Application Technology＂,and has good effects on practical application.