Hua tuo's book was burned. How much is left?

Two pages. In the novel Romance of the Three Kingdoms, Hua Tuo's book is called Qingnangjing, which records medical knowledge. It was burned by Wu's wife in prison, leaving only two pages. The full name of Romance of the Three Kingdoms is Popular Romance of the Three Kingdoms, also known as Romance of the Three Kingdoms. It is a long-chapter historical romance novel written by Luo Guanzhong at the end of Yuan Dynasty and the beginning of Ming Dynasty based on Chen Shou's The History of the Three Kingdoms and Pei Songzhi's annotations, as well as folk stories and legends of the Three Kingdoms. It is called Four Great Classical Novels, a classical novel of China, together with The Water Margin, The Journey to the West and A Dream of Red Mansions.