Confucius proposed a series of principles for friendship,which are essential components of his ethical and moral philosophy.The core concept of Confucius'approach to friendship includes establishing trust,befriending the wise,and engaging in sincere advice and civilized interaction.Confucius'principles of friendship still hold significant value in modern society.On an individual level,these principles contribute to personal growth,career development,and improving the quality of interpersonal relationships.On a societal level,they offer valuable insights for team building,national gover-nance,and even international diplomacy.By adhering to principles of courtesy and sincere advice,nations can establish mu-tually respectful international relations,promoting global cooperation and development.