Abstract: Practical teaching is a key link in the process of cultivating applied talents in applied undergraduate colleges. The quality of practical teaching determines students' practical ability, post competitiveness, innovation ability and future career adaptability to a great extent. The practice class in school is the core part of practice teaching. Therefore, the quality of practice class in school is very important, which determines the teaching quality of practice teaching. This paper analyzes the current situation of the quality evaluation of the on campus practical courses of the machinery major in the application-oriented undergraduate colleges, constructs the "multi-dimensional and three-dimensional" on campus practical course quality evaluation system of the machinery major in the application-oriented undergraduate colleges, and explains the implementation effect of the evaluation system.

Key words: Multidimensional solid, In school, Practice class, Quality evaluation system, Construction, Practice