According to relevant information, the education letter is called the first declaration of aesthetic education.

Aesthetic education is the combination of aesthetic teaching and aesthetic teaching. Improving people's ability to know, understand, appreciate and create beauty through education is an important focus of cultivating socialist builders and successors with all-round development in morality, intelligence, physique, beauty and labor in the new period, and plays a unique and irreplaceable role in "educating people with morality".