In the book, it was predicted that Jia Yucun would be exiled because of the small size of his hat. Jia Yucun was originally from Huzhou and was born into a family of clerks and eunuchs. But by the time he was born, his ancestors' roots had been exhausted, the population was in decline, and he was the only one left. He wanted to go to the capital to get a job, but he had no choice but to stay at the Hulu Temple in Gusu City, where he made his living by selling literature and writing.

Expanded information:

Jia Yucun is a fictional character who appeared in the Dream of the Red Chamber. He is a character who summarizes the whole text, reminding the reader of the "false language of the village" and unifying the whole text. Jia Yucun, the name of Hua, the word fly, alias Yucun, so "false language village speech". The original department of Huzhou people, born in the family of officials and eunuchs. But by the time he was born, the roots of his ancestors had been exhausted, and the population was in decline, leaving him alone.

He wanted to go to the capital to seek a merit, but no bag of empty, so he had to temporarily sent to Gusu City, Gourd Temple, daily selling words to make a living. After Yan Shiyin's help, he had the money to go on the road, passed the entrance examination, and became a governor. He was soon dismissed from his post for corruption and favoritism, and was hired to be Lin Daiyu's initiation teacher at Lin Ruhai's house.

In Jia Zheng's great help, he was reinstated, but for the official incorrect, chaotic judgment of a "gourd case" (for the "case of confusion"), and later this case is known to the world, because "because of the small suspected of gauze hat, resulting in the shackles to carry". This case was later known to the world because "because of the small size of the hat, the yoke was carried". In the book "Dream of the Red Chamber", Jia Yucun is also a very important character.

People often use "encyclopedia of feudal society" to evaluate "Dream of Red Mansions", and through the mirror of Jia Yucun, readers can see the political system of the feudal society, the judicial system and the darkness of the officialdom, and life's glory and suffering.

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