在礼乐崩坏的社会背景下《论语》提出了“信”的友道思想,之后孟子继承和发展了《论语》中的友道思想,重新组合“五伦”并成为规范,建立了“尚友古人”的模式。随着春秋时代群体意识的觉醒,士在提高自身德行的同时其交友也带上了功利性。 In the context of the collapse of the ritual and music, the Analects of Confucius put forward the friend-minded thought of “letter ”, after which Mencius inherited and developed the Friendship Thought in The Analects and reorganized “Five Lunas ” , Established a “Shangyou ancient people ” model. With the awakening of the group consciousness in the Spring and Autumn Period, their friends also brought utilitarianism while improving their virtues.