From November 12th, 2024 (Hua Luogeng's birthday) to May 22nd, 2025 (Chen Jingrun's birthday), the 4th ‘I Love Learning Math Cup’ International Math Festival, jointly organized by Jiangsu Phoenix Youth and Children's Publishing House and the Institute of Curriculum and Instruction of Nanjing Normal University, was held as scheduled. To be concrete, the establishment of the ‘I Love Learning Math’ International Mathematics Festival aims to stimulate students' interest in mathematics, inspire their mathematical thinking, cultivate their mathematical literacy, enhance their mathematical abilities, and improve their comprehensive abilities in core mathematics competencies like mathematical reading. Moreover, tens of thousands of students from all over the country enthusiastically signed up. Our Primary School Department actively organized students to participate in the competition and achieved excellent results.