Huabei and Huajin Cup Junior Mathematics Invitational Tournament (referred to as "Huabei" for short) is a national large-scale junior mathematics competition launched on 1986 to commemorate Professor Hua, an outstanding mathematician in China.

Co-sponsored by China Youth Newspaper (now China Children's Publishing House), China Optimization Method, Overall Planning Method and Economic Mathematics Research Association, and CCTV Youth Center. China Cup is the largest, most formal and most difficult primary school competition in China.

The purpose of "China Cup" is:

Educate young people to learn and carry forward Professor Hua's patriotism, hard-working quality and love of science from an early age; Stimulate primary and secondary school students' interest in learning mathematics, develop their intelligence and popularize mathematical science.

The "China Cup" has been successfully held for 20 times, with nearly 100 cities and more than 30 million children participating. "China Cup" has become the driving force to educate and inspire generations of young people to climb the scientific peak and make progress, and is deeply loved by students, teachers and parents.