Jingyan County was the territory of Shu in ancient times. According to Guangxu's "Jingyan County Records", "the county is not open, it is the land of Liangzhou, and Han is the land of Wuyang County". Pre-Han Dynasty: "The sixth year of Emperor Jian Yuan (135), Qianwei was twelve counties and three counties of Wuyang".

Jingyan Town, Wuyang County, Han Dynasty.

Xijiangyang County was located here in the Eastern Jin Dynasty, and Puting County was located here in the Northern Wei Dynasty, belonging to Lingzhou.

In the 11th year of Emperor Kai of Sui Dynasty (59 1), Longshan County was established and the waste court was located in Jingyan County.

Since the establishment of the county in the 11th year of Emperor Kai of Sui Dynasty (59 1), the county territory has been continuously expanded from the Tang, Song and early Yuan dynasties, which lasted for more than 600 years.

In the fourth year of Song Zhenzong Xianping (100 1 year), Jianchuan County (now Zhangjia District of Renshou County) was merged into Jingyan County.

In the 20th year of Yuan Shizu to Yuan Dynasty (1283), Longzhou Jingyan was merged into Renshou, and the county was one of the four townships of Renshou, which was called Laifeng. In the sixth year of Hongwu in Ming Dynasty (1373), Taizu Zhu Yuanzhang wrote to cancel Laifeng Township in Renshou County and restore Jingyan County.

At the beginning of Qing Shunzhi, it belonged to Zizhou and Chengdu.

In the fifth year of Yongzheng (1727), Zizhou was promoted to Zhili.

In the 24th year of the Republic of China (1935), it belonged to the second administrative supervision area (Chengguan Town, the local capital).

After 1949, Jingyan county has always belonged to Leshan city (formerly Leshan area).