It is said that Liu An, the grandson of Liu Bang in the Han Dynasty, succeeded his father and was named the King of Huainan. He was "a good scholar" and versatile. He once summoned the "eight princes" such as the alchemists Su Fei, Li Shang, Tian You and others to study in Beishan (i.e. Later, Bagong Mountain) made a great elixir in order to achieve immortality. Many years later, the elixir was not refined, but tofu was accidentally ordered. Later, people respected Liu An as the "Tofu God".

It is said that Liu An, the grandson of Liu Bang in the Han Dynasty, succeeded his father and was named the King of Huainan. He was "a good scholar" and versatile. He once summoned the "eight princes" such as the alchemists Su Fei, Li Shang, Tian You and others to study in Beishan (i.e. Later, Bagong Mountain) made a great elixir in order to achieve immortality. Many years later, the elixir was not refined, but tofu was accidentally ordered. Later, people respected Liu An as the "Tofu God". It is said that Liu An, the grandson of Liu Bang in the Han Dynasty, succeeded his father and was named the King of Huainan. He was "a good bookman" and versatile. He once summoned the "Eight Masters" such as the alchemists Su Fei, Li Shang, Tian You, etc. to convene at Beishan (later known as Bagong Mountain). Refining a magical elixir in order to achieve immortality. Many years later, the elixir was not refined, but tofu was accidentally ordered. Later, people respected Liu An as the "Tofu God".