Happy music, “le-beier”, known as “le-beier”, which is meant to “care for all children with joyful music”. She was the first civil society organization to successfully organize a visit to the orff institute in germany. The beijing legion educational advice limited was established on 11 august 2009 as an educational institution that focuses on music education and provides comprehensive professional services for children. The main company, orf music (one of the world's three music pedagogic methods) is involved in the development and training of courses, early education teaching and training, education management and services, international studies, exchanges and study tours, the import and export of musical instruments, etc. Since its creation, happy beijing has focused on the study and development of orf music education, with the vision of “making a civilized brand of young children's music nobility”, giving every child access to pure orff music, introducing the german orff music education pedagogy and music curriculum, and constantly promoting the great project “awakening the artistic talent of 10 million children, significantly increasing the artistic talent of 1 million children and making 100,000 children fully free of their minds”. In 2012, happy music successfully applied for and became the subject manager of the main theme of the 12th fiveth science of the chinese institute of education, " the use of the one day of education for music and the arts " , a subject of the chinese institute of education. It developed the orff teaching materials of the specialities " garden books " , " diracy " , " divisions " , " joy " , " moo " , " progress " , and organized two visits by the chinese delegation to the orff institute in germany, the salsburg institute of music in austria, and the national orf institute in austria。