20 19 1 1.5, the lecture on "Teacher Etiquette and Family Education" of Beijing Nuo Music Culture was held in Tonggangyang Kindergarten, Wangmo County, Guizhou Province, and more than 30 kindergarten teachers attended the lecture.

Mr. Dai Nuo is the founder of Nuo music in Beijing, the etiquette committee member of the National Vocational Education Expert Committee, the advocate of the new era of "big country and small family", the public welfare speech ambassador of family culture, the founder of the "three beauties" theory of etiquette, and the legendary etiquette consultant of micro-class. Teacher Dai Nuo led the students to learn the theory of "the beauty of heart, the beauty of form and the beauty of sound" and practiced it on the spot, and at the same time gave a keynote speech on family education.