In BC 196 (Han 1 1), Liu Bang deposed Ying Bu, made his seventh son Liu Chang king of Huainan, and sent troops to kill Ying Bu. In BC 173, Emperor Wen of the Han Dynasty ordered the abolition of Liu Chang's throne. In 164 BC, Liu An, the eldest son of Changlu, succeeded to the throne as the king of Huainan at the age of 16. In the first year of Yuanshou in Wuhan in the Han Dynasty (BC 122), Liu An was flattered for treason, surrounded by the imperial court in Shouchun, the capital, and committed suicide. At the same time, the court declared Huainan as Jiujiang County.
Liu An was born and died in BC 179 and BC 122. He is the grandson of Emperor Liu Bang of the Han Dynasty and the eldest son of Wang Changlu of Huainan. In BC 164 and BC 16, Liu Ansheng was attacked as the king of Huainan. He died at the age of 58 and reigned for 43 years.
"Historical Records Biography of Hengshan Mountain in Huainan" said: "The king of Huainan is good at reading drummers. He doesn't like riding hounds and horses, but he also wants to follow the virtues and reputation of the people. " Liu An was one of the few men of insight in Guizhou at that time, and good governance was based on morality for the people. He is well-read, versatile, rich in writings and fruitful in his life. He recruited talents from all over the world, raised thousands of guests, discussed the rise and fall of the world, and studied academic science and technology, making Huainan a famous cultural and academic center in the early Western Han Dynasty. Among the guests were eight famous talents, namely Sophie, Wu Bei, Zuo Wu, Li Shang, Maubere, Tian You, Baylor and Jinchang, who were called "Eight Heroes". Liu An directly organized guests to participate in writing, and wrote the famous book Huainan Zi (also known as Huainan Lie Hong), which is a rich treasure house of ancient knowledge. Liu Heji, a scholar in the Tang Dynasty, praised Huainanzi as "a cage of heaven and earth, rich in ancient and modern times".
Han and Huainan Palace were built on Bagong Mountain, covering an area of 4,500 square meters. The bronze statue of Liu An in the palace is 3.47 meters high. Liu An is a king, a scholar and a Taoist figure. The promotion map and the alchemy map are all painted in the hall. There are 60 stone murals embedded in the gallery around the palace, which were created by the famous painter Chen Yafei and carved by Zijin inkstone factory in Bagongshan, Huainan City. The content is based on the life story of Liu An and the scientific and technological achievements, fairy tales, historical stories and China stories in Liu An's masterpiece Huai Nan Zi, which adds rich cultural connotations to the Huainan Palace in Han Dynasty.
"Eight Merits" is also Liu Qiu's right-hand man for elixir of life. Legend has it that after the elixir was refined, a few pills fell to the ground, and chickens and dogs became immortals after eating it, so there was the idiom "One man gets the word, and chickens and dogs ascend to heaven"