This study closely follows the spirit of the first class undergraduate education action plan (2021-2025) of University of Shanghai for Science and Technology, combines with the national first-class undergraduate professional training plan of mechanical design and manufacturing and automation, and carries out the exploration and practice of "1+3 teaching resources" integrating into the "One-Student-Two-Tutors" community of undergraduate experimental teaching. On the basis of creating a good learning environment and creating an excellent learning platform, this paper studies the undergraduate experimental teaching of the trinity of "theoretical courses+experimental courses+innovation and entrepreneurship activities, discipline competitions, and scientific research project activities". This study has a certain reference value for colleges and universities to cultivate outstanding engineering talents with happy learning attitude, scientific research interest, practical ability and innovative ability.
