The characteristic of Jian an literature is that Jian an literature mainly refers to .

"Jian'an literature" mainly refers to the literature of the Jian'an era of Emperor Xian of the Han Dynasty. Therefore, choose A. At the end of the Eastern Han Dynasty, society was in turmoil.

Cao Cao, a native of Han Peiguo (now Bozhou), formed the Qingzhou Army, held Emperor Xian of the Han Dynasty hostage, unified the north, and the society had a relatively stable environment. Cao Cao's father and son both had a high degree of literary accomplishment, and thanks to their advocacy, the once declining literature gained new vitality. In Yecheng (the site is in present-day Linzhang County, Hebei Province), where the capital was established at that time, a large number of literati gathered.

New breakthroughs have been made in poetry, fu, and literary creation.

Jian'an:

Jian'an is the title of Emperor Xian of the Han Dynasty at the end of the Eastern Han Dynasty, which was used from January 196 AD to March 220 AD. The political power of the Eastern Han court during this period was mainly held by Cao Cao. In terms of literature, under the impetus of Cao Cao's father and son, Jian'an literature represented by Cao's father and son (Cao Cao, Cao Pi, and Cao Zhi) was formed.

Three ancestors Chen Wang: Cao Cao, Emperor Wu of Wei, Cao Pi, Emperor Wen of Wei, Cao Rong, Emperor Cao Rong of Wei Ming, and Cao Zhi, King of Chen Si.

The representative figure of Jian'an literature is Cao Zhi.

Cao Zhi was a famous writer in the Three Kingdoms period, as one of the representatives of Jian'an literature and the master of the collection, he was respected as a model of articles during the two Jin and Northern Dynasties. His representative works include "Luo Shen Fu", "White Horse Chapter", "Seven Mourning Poems" and so on. Later generations called him, Cao Cao, and Cao Pi together as the "Three Caos" because of his literary attainments.

His poems are known for their strong pen power and beautiful words, and there are 30 volumes of collections, which have been lost, and now the "Cao Zi Jian Ji" is compiled by the Song people. Cao Zhi's prose also has the characteristics of "affection and resentment, body and literary quality", coupled with the richness and variety of its variety, so that he has made outstanding achievements in this regard.

Achievements:

Cao Zhi's creation is divided into two periods, before and after 220 years. The early poems are mainly about his ideals and ambitions, full of optimism and romance, and full of confidence in the future.

Later poems mainly express the grief and indignation aroused by the contradiction between ideals and reality. His poems not only embody the solemnity of "sad but not sad" in the Book of Songs, but also contain the profound and profound wonder of "Chu Ci".

It not only inherits the pen power of Han Yuefu to reflect reality, but also retains the gentle and sad mood of "Nineteen Ancient Poems". Cao Zhi's poems have their own distinctive and unique style, completing the transformation of Yuefu folk songs into literati poems.

The main representatives are the seven sons of Jian'an and several people from the Cao family.

The seven sons of Jian'an are: Kong Rong, Chen Lin, Wang Cang, Xu Gan, Ruan Yu, Ying Ling, and Liu Zhen.

In addition, there are three Cao, namely: Cao Cao, Cao Pi, and Cao Zhi

Sancao and Jian'an's seven sons--- Kong Rong, Chen Lin, Wang Cang, Xu Gan, Ruan Yu, Ying Ling, Liu Zhen.