The textbook is led by Ms. Ming Dan, the national teaching director of Eichbell, and developed by Professor Guo, director of the Department of Music, School of Art and Media, Beijing Normal University, Professor Zhang Xingkui, an associate professor of piano in the School of Music, Henan University, and many excellent piano teachers from all over the country from children's piano skills, piano playing methods, children's psychology, children's personality and other aspects. After three years of research and development and practical demonstration, a piano textbook "Ashbel" which is more suitable for children in China has been developed.