Modern fluid mechanics reveals that the traditional kite's elevation design of 28-32 degrees is a perfect embodiment of Bernoulli's principle and gravity balance. And literati and ink artists further endowed it with cultural metaphors - Cao Xueqin wrote the "Nanyao Beiyuan Kaogong Zhi" to record the pasting techniques, and Zheng Banqiao depicted the flourishing scene of Qingming outing with "paper flowers flying like snow in the sky". At the Contemporary International Kite Festival, 3000 square meters of soft kites compete with miniature handheld kites, showcasing the infinite possibilities of traditional craftsmanship.