Abstract: Based on the interpretative structural modeling method, this paper conducts a practical course on the influencing factors of undergraduate practical training courses. In this paper, 20 indexes, such as teachers' level, teaching content, teaching management and students' learning activities, which affect the practical training course, are selected.With the help of interpretative structural modeling method, they are decomposed into three basic levels: surface level, middle level and deep level, and the hierarchical structure model of evaluation indexes is obtained, and their internal logical relationship is analyzed. Finally, based on the results of practical training, this paper puts forward some suggestions on the construction of high-quality and high-level undergraduate practical training courses.

Key words: Interactive structure modeling, Evaluation index, Practical course