In the Northern Song Dynasty, Yang Jiajiang was a native of Linzhou and was a local hero. In China's history and historical drama, Yang Jiajiang, a famous anti-Xixia star in the Northern Song Dynasty, a famous anti-Jin star in the Southern Song Dynasty, Zhejiang Jiajun and She Taijun's hometown Fuzhou (now Fugu) are also located in Linzhou area and along the Great Wall.

In the Five Dynasties, Shi Jingtang ceded sixteen states to Qidan at the end of Jin Dynasty. Linzhou is near the occupied area of Qidan. In order to fight against the Khitan nobles, Yang Hongxin made himself the secretariat of Linzhou. Starting from Yang Hongxin, the eldest son Yang Zhongxun and the eldest son Yang Guang are all local senior officials in Linzhou.

At that time, government officials such as Fan Zhongyan and Shen Kuo of the Northern Song Dynasty were stationed in Linzhou, northern Shaanxi. The frontier poems left by them during their garrison are famous to this day and can be used as evidence. Song Fan Zhongyan has "Autumn Poems of Fisherman Ao Linzhou"; Leave a topic in Linzhou. In the Song Dynasty, when Wen Yanbo was stationed in Linzhou in his early years, he wrote poems on the Red Mansion in the city, which was remembered by his successors. Rubbings, monuments and pillars can also be seen everywhere on the cultivated land in the city, which is the witness of the prosperous history of humanities in that year.

Shenmu County Records contains the Epitaph of Yang Qi written by Ouyang Xiu in October of the third year of the Northern Song Dynasty (105 1), in which the Yang family is described in detail. Yang Qi, the eldest son of Yang Guang, died in June of the second year of Emperor Yangdi at the age of 70.

According to Yang Qi's epitaph, he is the second son and Yang is the son. "Father and son are both famous and brave and invincible. Up to now, people in the world have been able to tell the truth. " Ouyang Xiu was a famous minister in the Northern Song Dynasty and devoted himself to the study of historical facts. He is a rigorous historian, who is the author of the Book of the New Tang Dynasty and the History of the New Five Dynasties. His record should be reliable, which can solve the dispute about Yang Jiajiang's native place for many years.

Yang Jiye lived in Linzhou when he was a teenager. He is cheerful and chivalrous, loves riding and archery, and has excellent martial arts. At the age of twenty, he left his hometown for Taiyuan, where he became a security commander under the Northern Han Emperor Liu Chong. When Song Taizong and Zhao Guangyi conquered Taiyuan, Yang Jiye righteously persuaded the Northern Han Dynasty to surrender to the Song Dynasty, thus promoting national reunification and becoming a famous star in the Northern Song Dynasty. In 986, Xiao Taihou, the mother of the Khitan nation, led a hundred thousand troops to invade the Song Dynasty. After being betrayed by Pan Renmei and others, she fought to the death alone and suffered many injuries. Captured by Liao soldiers, she would rather die than surrender, and died after a three-day hunger strike. His son, Yang, inherited his father's ambition and guarded the border for more than 20 years. When the coffin was transported to the south after his death, people looked at it and cried along the way. Later son Yang was promoted by Fan Zhongyan when he declared Shaanxi. Later, working under General Di Qing, Di Qing defeated the enemy and made outstanding achievements. Yang's three generations guarded Linzhou, and his father and son fought against Liao, all of whom were famous soldiers in the Northern Song Dynasty, leaving countless heroic achievements. These achievements were later interpreted as the legend of Yang Jiajiang, which was widely circulated among the people. Later, people called Gu Lin "Yang Jiacheng" to show their love and respect for ancient heroes.