Abstract: In order to improve the students’ comprehensive ability,the practical teaching system of chemistry-related specialties have been reformed and practiced according to the actual situation of provincial experimental teaching demonstration center.Taking subject competition as carrier,Ningbo Institute of Technology,Zhejiang University has established the practical teaching system of “hierarchical and modular” for chemistry-related specialties by persisting in the practical teaching concepts of “student-center,teachers,supplemented by”.Reforming the experimental curriculum,improving the practice of teaching content,establishing platforms for multi-level experimental training of “strengthen foundation ,improve skills and innovate”.After several years of explorations and practice,the competition results also improve the quality of experimental teaching and the quality of personnel training