People always have to make friends. Since ancient times, there have been clear names for the nature of friends:

1. Year-end friends - breaking down differences in age and generation to become good friends.

2. Obsessive friendship - regardless of defects or ugliness, we form friends regardless of you or me.

3. Junzijiao - refers to moral friends, that is, friends who support each other morally.

4. Don't go against each other - refers to friends who share the same mind with each other and will never disobey.

5. Chuchujiao - refers to a friend who has a deep friendship and can share life and death, and endure hardships.

6. Friends of the poor and lowly - friends made when they are poor and destitute.

7. Best friend - the friend with the deepest friendship and no suspicion.

8. World friendship - also known as world friendship and world good. Refers to the friendship between the two families for generations.

9. Old friends - historically referred to as old friends, old friends, and old friends. Generally refers to old friends who have friendship.

10. A casual acquaintance - just acquaintance, but not much understanding.

11. Market acquaintance - a friend made by doing business in ancient times. Because of his excessive interest in profit and forgetfulness of loyalty, he was later called a friend of a villain.

12. Bunun friends - according to custom, friends made by ordinary people.

13. Friendly friends between the rich and the poor.

14. Friends in need - friends made in adversity.

15. Drinking and drinking - friends made through eating and drinking.

16. Bamboo-horse acquaintance - friends who have known each other since childhood. Also known as the turn of the total angle.

17. Deep-rooted acquaintance - a close friend.

18. A close friend.

19. Friends of life and death - friends of life, death and sex.

20. Friend by chance - a friend made through an accidental encounter.

21. Nodding acquaintance - a friend who only nods to say hello in the relationship and has no deep feelings.

22. Casual acquaintance - a friend who has ordinary and superficial relationships.

23. Half-face acquaintance - someone you have met but are not familiar with.

24. The friendship between brothers and sisters who worshiped each other in the old days.

25. Friendship between pestle and mortar - making friends does not require poverty.

26. Golden acquaintance - precious and valuable exchanges.