Wang Lin, male, born in 1955, a senior middle school teacher, is now a teacher in the Mathematics Department of Jiangsu Institute of Education. At the same time, he is the editor-in-chief of Jiangsu Education Edition curriculum standard primary school mathematics textbook, vice-chairman of China Education Society's primary school mathematics teaching professional committee, executive director and academic member of Jiangsu Education Society, chairman of Jiangsu Education Society's primary school mathematics professional committee, executive director of Jiangsu Abacus Association, consultant of Jiangsu Education Society's Wuxi Branch (Wuxi Normal University) primary school education research institute, deputy director of the editorial board of Primary School Mathematics Education, consultant of Primary School Teaching Reference, and primary school mathematics.