The old gentleman in Taishang is one of the moral gods in the "Sanqing" of Taoism, whose full name is "Taiqing Moral God". Too old gentleman is different from Lao Tzu, Lao Tzu is its embodiment. According to Records of the Historian, Laozi was a historian of the Zhou Dynasty. He founded a unique Taoist theory, was one of the founders of the Taoist school, and was regarded as the ancestor of Taoism by later generations. This is Laozi in history.
Introduction to Taishang Laojun:
In The Journey to the West's novels about ghosts and gods, Laozi is considered as one of the Sanqing. Although it is not brilliant in Wu Cheng'en's design, Wu Cheng'en skillfully uses the words and deeds of the characters in the book to describe his past one by one.
Too old gentleman, once explained the name of Nu Wa, refining stones to make up the sky. To be good at refining magic weapons and elixirs, you need to attend the Jade Emperor's opening ceremony of Dan Yuan. During the period of the Second Flower and Fruit Mountain, the Monkey King, who fought with Erlang God and the Six Saints of Meishan, was ambushed by King Kong Zhuo, who took the Monkey King by surprise.
After the Monkey King was arrested by heaven, he couldn't hurt the Monkey King on the demon chopping stage, so he proposed to use the gossip furnace to refine the Monkey King, but it didn't work. After the Monkey King got rid of the gossip stove, the old man tried to stop the Monkey King, but the Monkey King fell headlong.
After that, the Monkey King made a scene in heaven, and no god could stop him. Tathagata was invited to save him. After the successful suppression of the Monkey King, the An Tian Conference was held. Sanqing, including Taishang Laojun, and Siyu Wulao thanked Verne together.