"String songs never stop" is a Chinese idiom, which comes from "Autumn Water in Zhuangzi": "Confucius swam in Kuang, and the Song people surrounded him for several turns, but string songs never stopped." . This idiom means singing with the accompaniment of harp and harp, which is used to express the spirit of keeping education and educating people. The application of "string songs without stopping" in teaching embodies the continuity and systematicness of education, and emphasizes that education should be carried out purposefully and planned.