Abstract: In view of the teaching situation of present electrical control of machine tools and PLC course design,combined with the guiding ideology of project-teaching method,one improved the guiding process in the course design.The improved content includes title selection,demand analysis,plan selection,design flowchart,Mapping electrical schematic diagram and so on.At the same time,the teacher guidance also changes corresponding.The results of practice show that the improvement of project-teaching method can arouse students’ learning motivation,let students study in doing experiments,improve students practical ability and realize practical teaching aims.