Yuyang District, the original county-level Yulin City was renamed Yuyang District in 1999, named after the Yuyang River to the south. -------------------------------------------------- --Shenmu City, Jin built Shenmu Village, and changed it to Shenmu County in the sixth year of t

Yuyang District , in 1999 the original county-level Yulin City was changed to Yuyang District, named after the Yuyang River to the south.

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Shenmu City , Jin built Shenmu Village, and in the sixth year of the Yuan Dynasty (1269), it was renamed Shenmu County. It was named because there were two sacred trees in Xun Mountain.

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Fugu County , Fugu town was established at the end of the Tang Dynasty, because there is a valley here called Fugu, and after the Five Dynasties, it was promoted to a county in the Tang Dynasty, which is still in use today.

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Hengshan District , The Northern Wei was established in Yanyuan County, The Tang Dynasty was changed to Shuofang County, The Song Dynasty was established in Hengshan Fort, the Ming Dynasty was established in Huaiyuan Fort, and in the ninth year of Yongzheng in the Qing Dynasty, Huaiyuan County was established. In 1914, it was merged with Huaiyuan County in Anhui Province. The name of the county was changed to Hengshan County. It is named after the Hengshan Mountains within the county.

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Dingbian County, Dingbian Town was built in the Northern Song Dynasty, which means "Dingding Border". It was called Dingbianying in the Ming Dynasty and changed to Dingbian County in the ninth year of Yongzheng reign in the Qing Dynasty (1731).

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Jingbian County , the Jingbian camp was established, which means "appeasement border". Jingbian County was established in the ninth year of Yongzheng reign of the Qing Dynasty (AD 1731). In 1945, the county seat was moved from New Castle to Zhangjiapan.

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Zizhou County. In order to commemorate the revolutionary martyr Li Zizhou, in 1944, part of the land in Suide, Mizhi, Qingjian, Hengshan, Zichang and other counties was analyzed and set up Zizhou County. The county seat is in Shuanghu Valley.

Qingjian County , Qingjian City was established in the Northern Song Dynasty. It was named after digging a well 150 feet away in the county and seeing clear spring water. Qingjian County was established in the Jin Dynasty. Another theory is that it was named after the Qingjian River. According to "Huanyu Tongzhi": "It was named after the Qingjian River." Suide County was named after the Qin and Han Dynasties, and Anning County in Suizhou was established in the Western Wei Dynasty. In the third year of Xining of Song Dynasty (AD 1070), Suide City was established. Taking the meaning of "appeasement and moralization", it was changed to Suidezhou in the Jin Dynasty. After the Revolution of 1911, the prefecture was abolished and the county was established.

Mizhi County, Mizhi Village was established in the Northern Song Dynasty. There is Mizhi Water in the county, also known as Liujin River. It is rich in millet. The rice quality is high, which means "Woyin is suitable for millet, and the rice quality is fat". The Jin Reform Mizhi County. In the third year of Jin Zhengda's reign (AD 1226), Mizhi County was established and is still in use today.

Jiaxian County , formerly known as Jia County, there is Luchuan in the county and there are many reeds. The ancients called the reed teeth Jia, reed before the ears emerge, and reed after the ears emerge. In the Song Dynasty, Jialu Village was established. In the second year of Yuanfu (1099), Jialu Village was promoted to the Jinning Army. In the twenty-fourth year of Dading in the Jin Dynasty (1184), it was renamed Jiazhou. In 1913, it was renamed Jia County, and the character Jia was created. , was renamed Jiaxian in 1964.

Wubao, In the Northern and Southern Dynasties, Helianbobo of the Xia Kingdom built Wu'er City here to house the captured soldiers and civilians. In the Northern Han Dynasty, the Wubao Water Village was built, and in the Northern Song Dynasty, the Wubao Village was built. It was promoted to a county in the third year of Jin Zhengda (1226). It was originally named Wubao County , and moved from its old location to Songjiachuan Town in 1940.