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1, Gansu's "Su", from Jiuquan to the Central Plains Dynasty, Jiuquan fell, Hexi was not guaranteed, endangering the Central Plains. Therefore, the Han Great Wall and the Ming Great Wall extend all the way, and the westernmost end ends in Jiuquan. Jiuquan was the residence of Qiang Rong in ancient times. In the pre-Qin period, Jiuquan was called Xirong, Xiqiang, Xiongnu Right, West and Hexi. The rule of Qin dynasty has not yet reached Jiuquan area, and it is still dominated by Wusun, Yueshi, Xiongnu and other ethnic groups.

2. After the establishment of the Western Han Dynasty, Jiuquan and Dunhuang areas were still controlled by the evil king of Xiongnu under the right king of Xiongnu, which was called the right land of Xiongnu. In the summer of the second year of Yuanshou, Emperor Wu of the Han Dynasty launched the second Hexi Campaign. Since then, Hexi region has been included in the Western Han Dynasty, and Jiuquan County has been established. The county resident is Lufu County (later Jiuquan County). The four counties of Jiuquan, Zhangye, Dunhuang and Wuwei, which have been established successively, are called "Hexi Four Counties" in history.

3. In the first year of the New Dynasty (8 years), Wang Mang proclaimed himself emperor, followed the county system and set up Fuping County and Dunde County. During the Eastern Han Dynasty, Jiuquan had two counties, Jiuquan and Dunhuang, which were placed under the Liangzhou Secretariat. In the fifth year of Yuankang in the Western Jin Dynasty, it was changed from "Lufu" to "Fulu". Jiuquan generally refers to Jiuquan City. Jiuquan, formerly known as Suzhou, is a prefecture-level city under the jurisdiction of Gansu Province, and its history can be traced back to the Western Jin Dynasty.

4. Jiuquan, as an important frontier county, was called Suzhou in ancient times because it was located in the northwest border and faced with severe situation and challenges, which was endowed with serious and prudent significance. In the vicissitudes of Jiuquan, it became an important stronghold in the northwest frontier and shouldered the heavy responsibility of defending the frontier. The history and culture of Jiuquan have had a far-reaching impact on the development of Gansu, bearing rich historical and cultural connotations.

5. The cultural inheritance and influence of Jiuquan is an important part of Gansu Province and even the whole northwest region. In this land, the name of Jiuquan represents the will of Gansu people to go forward bravely. The historical memory and cultural symbols carried by Jiuquan have become one of the symbols of Gansu Province, and also provided Jiuquan people with a sense of pride and identity.