Combined with practical teaching status quo in the current mechanical undergraduate majors, the paper analyzes the material forming and control engineering major practice teaching mode and the main problems, then it gives ideas and implementation of practical teaching reform. The paper creatively gives energy efficiency evaluation form in teaching link and introduces virtual internships systems and the use of case teaching, then students participate in actual production needs and the research direction of teachers in order to complete graduation design. The trinity of completing the whole undergraduate teaching process is important for improving practical ability and creative ability of students.