1. Guan Baozhi is often used to refer to friends with deep friendship. In China, people often use "Guan Baozhi" to describe the relationship of mutual trust between themselves and good friends.
2. The idiom "Guanbao's friendship" originates from the story of the deep friendship between Guan Zhong and Bao Shuya. It was first seen in Liezi · Li Ming. "The parents who gave birth to me know who I am, Bao Ziya. In this world, Guan Bao is good at making friends." The profound friendship between Guan Zhong and Bao Shuya has become a legend passed down from generation to generation in China.
