The choice of teaching methods directly affects the loss of knowledge in the process of transfer and accumulation, affecting the breakthrough and development of the industry's technical level and theoretical research results. The simple teaching method has always been a criticism of the education sector. This article combines the teaching practice of "2018 West Nine School + "Planner" magazine (9+1) undergraduate joint design and "Zhongsheng Cup" design competition to explore cross-regional, interdisciplinary, cross-space, cross-disciplinary Cross-group multi-dimensional cross-border interactive teaching innovation theory, broaden students' research horizons, realize multi-party mutual benefit, promote teaching and learning among teachers and students, implement the concept of sharing educational resources, and provide reference model for interactive teaching organizations .