Can you still find the legendary book of escape from armour, the art of peace and the book of youth in reality?

According to Chen Shou's "History of the Three Kingdoms", Hua Tuo devoted his life to "Qingnangshu". This book records Hua Tuo's life's hard work and medical experience one by one, but it is said that due to the unfavorable protection of his disciples, this book was eventually burned. As a result, Qingnangshu was lost, and only a few pages were saved at that time, so the history books of junior high school and senior high school had Wuqinxi and Leprosy San.

"The Book of Hiding Armor" comes from the sixty-eighth chapter of Romance of the Three Kingdoms. Cao Cao asked Zuo Ci, "What magic can you do?" Zuo Ci replied: "I have been practicing in Emei Mountain all the year round. Suddenly, Lei Zhen has a broken stone wall, revealing three volumes of heavenly books, which are divided into three volumes: heaven, earth and man."

Although The Romance of the Three Kingdoms is based on history, it has actually added many legends of ghosts and gods, so there are many fictional elements, which come from history and are higher than history. Therefore, whether there is a "Dunjia gobbledygook" is still unknown and there is no clear textual research. In some current games and novels, Zuo Ci and "Dunjia Tianshu" are both portrayed as fantastic.

So I think the explanation in Baidu Encyclopedia is incorrect. Qingnangshu is recorded in history, but Dunga gobbledygook is not.