The Yanhua Reservoir is the masterpiece of the Sichuan Garden in the Sichuan Garden. The Yanhua Reservoir was built in the Tang Dynasty and was originally named “Dongting”. In the Song Dynasty, Zhao Yuan, a native of Jiangyuan County, excavated the Yanhua Reservoir in the garden. Afterwards, scholars such as Su Yuan and Lu You joined to manage. The garden pattern of the Yanhua Reservoir was generally laid and became a famous place in the middle. After the Song Dynasty, most of the official repairs and reconstructions of the Yanhua Reservoir were commemorated by Lu You and Zhao Wei. The Yanhua Reservoir gradually evolved into a public memorial garden today.