In order to explore good teaching methods, the traditional teaching model and online teaching mode were compared and their own characteristics were analyzed. The results showed that two modes should be combined in order to better adapt to the current development of education rather than be not a single. Engineering drawing is a skill required of the basic course for engineering students. For many years, however, the blackboard, wall charts, models and other traditional teaching skills are very limited. With the rapid development of the electronics, information and communication technology, the online counseling system should be established without delay. Teachers and students, students and students can communicate well in the traditional teaching mode. Teachers can answer questions in time, however, the efficiency of class is low, and students cannot easily understand. Multimedia Network Teaching can improve teaching efficiency and enhance student interest in learning, which is important to the students’ spatial imagination. At the beginning, there are still something unsatisfactory.