Li Wang's share introduces a H5 work created by eqxiu.com, focusing on the 'Non-you-are-the-number' National Math Festival organized by PaiFei Thinking Math. This festival, initiated in 2018, is a national math competition for young children and has received support from experts such as Professor Zhang Meiling from the Chinese Academy of Sciences and Teacher Qian Shouwang. The purpose of this festival is to encourage children's interest in math through age-appropriate and engaging activities. The 2019 edition is now in the registration and selection phase, inviting children to participate in the competition. The event features interesting activities and games based on PaiFei's teaching system, allowing children to compete with outstanding candidates from across the country.