Friends made when one is poor and in a low status are called "friends of the poor and humble";

Friends who have a close friendship and are as close as brothers are called "friends of the Golden Orchid";

Friends who share life and death, and go through adversity are called "friends who are willing to cut one's neck off";

Friends who form in times of adversity are called "friends who are in adversity";

Friends who share the same feelings, Friends with deep friendship are called "inseparable friends";

Good friends of the opposite sex who have grown up together are called "good friends";

Friends who meet as common people are called "friends who are close friends". "Friends of ordinary people";

Friends who are of different generations and have a large age difference are called "friends who have forgotten the year";

Friends who are not restricted by their identity or appearance are called "friends who have forgotten the past";

Friends whose deep friendship does not change due to changes in status are called "chelijiao";

Friends who support each other morally are called "junzijiao";

Intention Friends who are congenial and know each other deeply are called "Shenjiao" ("Shenjiao" also refers to friends who admire each other but have never met in person).

The etiquette for disciples from two families who have been friends for generations to meet each other's elders. In the old days, they were also called sworn brothers with different surnames. It's called "the acquaintance of eight worshipers"

(1) The acquaintance of a close friend - Boya Ziqi

(2) The acquaintance of a man who cut his throat - Lian Po Xiangru

(3) The acquaintance of glue and knees--Chen Chongleiyi

(4) The acquaintance of chickens and millets--Yuanbo Juqing

(5) The acquaintance of risking one's life--Jiao Aibotao

(6) Friends of life and death - Liu Bei, Zhang Fei and Guan Yu

(7) Friendship of Guan and Bao - Guan Zhong and Bao Shuya

(8) The acquaintance they forget - Kong Rong and Ni Heng (Fan Yun and He Xun)