In this way, it not only alleviated the internal troubles in the imperial court, especially eliminated the psychological fear of the Cao family, which had become the object of the Sima family's rule, but also calmed the hearts of the Shu Han people, and then won the favor of the Wu people.

In order to extricate the country from the turbulent environment as soon as possible and lay a solid foundation for reunification, the policy of inaction and relaxation became the founding spirit of the Western Jin Dynasty.

This nation-building spirit is fully manifested in various fields of the country.

In the fourth year of Taishi (268), Sima Yan's edict clearly pointed out, "In order to maintain the country of our Great Jin Dynasty forever, the law of inaction is now the core of ruling all countries." ”

In the same year, five edicts were issued to the county: one is to be upright, the second is to be diligent to the people, the third is to care for orphans and widows, the fourth is to settle the principal and the end, and the fifth is to go to personnel.

In that year, Cao Cao, the founder of the Cao Wei Dynasty, succeeded the turbulent politics of the Eastern Han Dynasty, and in order to calm the people's hearts and restore the national strength, he implemented a relatively loose and open, thrifty and realistic statecraft. However, in the later years of Cao Rong's reign, the politics gradually became stricter, the social atmosphere became corrupt, and Cao Cao's style no longer existed.

In order to satisfy his own selfish desires, the emperor often transferred the powerful material burden to the people, and the long-term war made the people feel a sense of fear and exhaustion in addition to the bleak livelihood. In this case, Sima Yan did the opposite, and put forward the strategy of "ruling by inaction" to strengthen the country, which is the most suitable.

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Sima Yan carried out a series of reforms in governing the country. The reformed political system, inherited from Cao Wei, had innovations, and some of them were pursued by the Eastern Jin Dynasty and the Northern and Southern Dynasties, which profoundly influenced the politics of the Western Jin Dynasty and beyond.

1. The initial establishment of the three-province system in the Western Jin Dynasty and the Wei Dynasty, like the Cao Wei Dynasty and the Han Dynasty, was carried out peacefully in the manner of the Dynasty Chan Dynasty, and the dignitaries of the Cao Wei Dynasty became the founding fathers of the new dynasty.

The three provinces basically replaced the three princes and nine kings of the Han Dynasty and became the highest authority under the central emperor.

Second, the sub-seal.

Sima Yangang ascended the throne and reformed the feudal system.

3. The stereotype of the metropolitan supervision system The Western Jin Dynasty followed the Han and Wei dynasties, and the local administrative system of prefectures, counties, and counties was implemented.

Fourth, the formation of the scholar gate valve system in the early Wei Dynasty, in order to curb the shortcomings of the flashy and punky party, Emperor Wen of Wei Cao Pi adopted Chen Qun's opinion, and placed the county in Zhongzheng, which was rated as nine grades according to the character, ability and family background of the local scholars, as the basis for appointing officials to the ministry, and the Zhongzheng, which was concurrently served by the central officials, gradually affected the use of human rights by the officials.

After Sima Yi took charge of Wei Zheng, he played the state Dazhongzheng, and further manipulated the way for scholars to enter the ranks.

In this way, since the Han and Wei dynasties, the rising political and economic power of the family clan finally formed a privileged class in the feudal landlord class, and the scholar clan gate valve system was established, and the gate lord clan became the most active political force in the politics of the Eastern Jin Dynasty and the Southern Dynasties.

The Taishi Law was completed by Sima Yan in the third year of Taishi (267) and promulgated and implemented the following year.

"Tai Shi Law" is the first Confucian code in Chinese feudal society, and its main feature is "the defense of the strict rites and religions, and the quasi-five obedience to control crime".

The content of the "Taishi Law" is relaxed from the previous law. It "commutes, beheads, tribal punishments, and sittings", and the sentence of women also has the intention of leniency.

These changes in the "Taishi Law" enabled it to play a role in easing class contradictions and internal contradictions within the ruling class in its implementation, and was conducive to consolidating Sima's power.

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At the beginning of the establishment of the Western Jin Dynasty, in order to buy people's hearts, Sima Yan was a great hero, and many big families were named princes. In just a few years, Sima Yan has crowned a total of 57 kings and more than 500 princes.

As early as the establishment of the Three Kingdoms, Wei's power had surpassed Shu and Wu, and Wei accounted for nearly half of the country's population in terms of population. In 263, after Wei destroyed Shu, the Three Kingdoms became a confrontation between the north and the south, and Wei's power became even stronger.

After Sima Yan replaced Wei, he was ambitious, "had a secret plan to destroy Wu", and was ready to send troops to destroy Wu and unify the whole country.

After 10 years of thorough preparation, in the fifth year of Xianning (279), the Jin army began a large-scale offensive against Eastern Wu. In order to quickly win the victory, the Jin army divided into five routes along the north bank of the Yangtze River, and attacked the Wu army at the same time, and won all the victories in the war to destroy Wu.

Emperor Sima Yan of the Jin Dynasty finally unified the whole country, ending the nearly century-long division situation.

After the unification of the whole country, the Western Jin Dynasty tended to be politically stable, and there was a scene of "Taikang prosperity".

The rapid population growth is related to the relatively peaceful situation during Sima Yan's reign and Sima Yan's positive measures to restore the economy, as well as the policy adjustment of abolishing Tuntian and making the previous non-household population a household member.

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The royal family and aristocracy of the Western Jin Dynasty had a rich economic foundation, and political stability and unification helped them accumulate a lot of wealth, so they indulged in it and lived a luxurious and luxurious life.

Sima Yan took the lead in setting an example of absurdity and extravagance, and "The Book of Jin • The Biography of the Queen" said, "(Sima Yan) has many internal favors, and after the pacification of Wu, he has regained thousands of people in the palace of Sun Hao, the king of Wu, and since then thousands of people have been killed in the court." ”

During the Taikang years, the socio-economic situation improved. At the same time, Emperor Wu of the Jin Dynasty and his minister Zhang Hua and others fostered talents and promoted cultural prosperity. In literature, "Taikang literature" appeared during the reign of Sima Yan, and its representative figures were Youzuo (Zuo Si), Erlu (Lu Ji, Lu Yun brothers), Erpan (Pan Yue, Panni's uncle and nephew), and Sanzhang (Zhang Zai, Zhang Xie, Zhang Kang brothers).

Among them, Zuo Simendi is not high, and his early years were bumpy, but his "Qi Du Fu" was well received by people.

Zuo Si's sister Zuo Fen is a very talented person who has written many poems, lyrics, odes and other works.

Later, Emperor Sima Yan of the Jin Dynasty heard that she was talented and could compete with her brother, so he made her a woman in his harem, became a cultivator in 272, and was later made a noble concubine.

Emperor Wu of Jin liked literati and talented women. Therefore, Zuo Fen did not please the king with his appearance in the harem, but as a poet, he interacted with Sima Yan.

Sima Yan often assigns compositions for her, and "Lisi Fu" is created in this way, which is also her most famous representative work, and Sima Yan is also very satisfied with her poetry. The charming favor of the two made the palace maids envious.

Zuo Fen was a very famous talented woman in the Western Jin Dynasty, with the same fame as her brother, and she was very good at writing articles, poems, fu and many other aspects. The works are also very rich.

Zuo Fen's works include "Woodpecker Poem", "Leaving the Thought" and "Feeling the Poem", among which "Leaving the Thought" is the most famous, which is also one of her representative works.

Zuo Fen has been living with her brother, living a plain but comfortable life, but then suddenly was included in the harem by Emperor Wu of Jin, living in the palace, very unhappy, so she missed her brother very much, and her brother also wrote poems for her, in this case she created "Lisi Fu", which is not only the task given to her by Emperor Wu of Jin, but also condensed her full of longing.