For the convenience of children, Wu used happy composition to analyze all the ideas, outlines, materials and model essays of the composition. Completely solve the problem that parents can't teach their children and can't write. Following Wu Yong's happy composition can make children practice while learning, so that children don't have to worry about writing a good composition.

Wu Yong, a special-grade teacher in Jiangsu Province, is an advocate of "Children's Composition" teaching, the vice president of Shangyuan Primary School in Nanjing, and an adjunct professor of Xiaozhuang College in Nanjing. Cover figures of magazines such as Chinese Teaching Newsletter and Chinese Teachers in Primary Schools.