Difference: When a man reaches the age of 20, his hair is tied up and he can wear a hat, indicating that he has reached adulthood and has undergone a coming-of-age ceremony. This is a ceremony that can lead to self-cultivation, family governance and national peace in the future. The world is under heaven. A weak crown means that a man has just turned 20 years old. Although he has reached the age, the ceremony has not been held and he is still weak. This is called a weak crown. The difference mainly lies in whether a ceremony was held.

"Weiguan" is the title of a man who is over 20 years old, and "Jiguan" is a etiquette held at that time. In ancient times, Han men were called weak crowns when they were 20 years old. At this time, the crowning ceremony is called Jiguan, that is, wearing a hat to indicate adulthood, to show adulthood, but the body is not yet strong and is still relatively young, so it is called "weak". Later generations generally refer to men around the age of twenty, and cannot be used for women.

In ancient times, men had to be crowned in the ancestral temple when they were twenty. The crowning ceremony was presided over by the father, and he was crowned three times by designated distinguished guests, which respectively represented the power to govern people, serve the country, and participate in sacrifices. After the crowning, the distinguished guests read out a congratulatory message to the crowned person, and bestowed a beautiful "word" commensurate with the virtues of a handsome man, making him a respected nobleman.

In ancient times, both men and women had to grow their hair long, and when they reached a certain age, a "coming-of-age ceremony" was held for them. The crowning ceremony for men is to put their hair into a bun, which is called "hair knotting", and then put on a hat. The general name of Guan Benmian in "Shuowen". It's called adulthood.

In ancient times, both men and women had to grow long hair. When they reached a certain age, a "coming of age ceremony" ceremony was held for them. When men perform the crown ceremony, they put their hair into a bun, which is called "hair knot", and then put on a hat. In "Shuowen": crown, the general name of the crown. It's called adulthood. In "Book of Rites, Qu Lishang" it is recorded that a man with twenty crowns has a Chinese character.

It means to hold a crowning ceremony and give a word. Guansui means that a man is twenty years old, indicating that he has just reached the age of adulthood. Twenty-year-old is also called the "year of weak crown". Source: "Book of Rites·Qu Lishang" "(Man) Twenty is called Weak Guan".