The old custom of making friends with Han people. Friendship is a kind of interpersonal relationship, also called pledge, confession, oath and worship. "Friendship" refers to friendship, and "deed" refers to contract, which refers to the quasi-kinship formed by two or more people who are not related by blood. It is called friendship, also called pledge, commonly known as dry generation, and they are linked together by family ties, which can be elders, younger generations or peers. Usually friends plus relatives, friends are close, and the relationship is closer than ordinary distant relatives and ordinary friends. Peer friendship is also called sworn, sworn and job exchange. It was first published in the Book of Changes: "If two people unite, their profits will be cut off; The words of one heart are heard like orchids. " Therefore, Jin Lan's transformation is a metaphor of the spiritual unity among friends, life and death and * * *.
Friends are like-minded, and then they become brothers or sisters, which is called Jin Lan (Cherokee Jin Lan). In the past, it was the custom to exchange spectrum stickers after taking the oath of office, called spectrum or blue spectrum. Therefore, there is another saying called "changing stickers", that is, two people become sworn brothers and tie Jin Lan.