From potential to practical variations in the teaching of functions: contrasting Chinese and Fr Ench cases in two upper secondary schools" "Potential, actual and practical variations for teaching f Unctions: cases study in China and France" and so on. He presided over the general project of the Provincial Department of Education "Research on the Training of Mathematics Teachers under the Background of the Basic Education Strong Teacher Plan in the New Era", presided over the sub-project of "Ningbo Higher Education Development Research Base" "Research on the Dilemma of Digital Transformation and Power Mechanism of Colleges and Universities under the Background of High-quality Development of Education", and participated in MaTRiTT proj Ect (Sino-French "Xu Guangqi Project"), ReVEA project (French national project), Shanghai education and scientific research major project "Effective design of primary and secondary school mathematics textbooks" and other topics. At present, he is mainly engaged in the research of variant teaching in primary and secondary schools, and has formed a research team with researchers at home and abroad to organize research activities in China, France, Hungary and other countries. In 2021, at the 14th International Conference on Mathematics Education (ICME-14), I successfully organized the discussion group Variations and Series of Tasks, Crossing the Approaches as a team member.