Aimed at the problems of teaching in traffic engineering department structureclasses system,the multidimensional teaching is put forward,which means searching for multibreakthrough in teaching from classroom lecture,scene teaching,experiment and structural imitation.Teaching practice has proved that the multidimensional teaching is fit for traffic engineering department structureclasses system.It can enhance effectively students’ initiative in study,train students’ thinking creativity and improve students’ capacity in solving problems,so it should be adopted widely.