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According to the *Records of the Three Kingdoms* (*Sanguozhi*), he was a native of Qiao, Pei State, with the courtesy name Zihua. He was erudite and well-versed in the Confucian Classics, recommended as a *Xiaolian* (Filial and Incorrupt Candidate), but declined official appointment. He enjoyed cultivating his nature and was proficient in medical prescriptions; for those seeking treatment, a few doses were sufficient for recovery. For diseases suitable for acupuncture and moxibustion, he would apply one or two needles; for those suitable for moxibustion, he would apply one or two moxa cones, achieving immediate cures. For diseases penetrating the bone marrow, where decoctions and acupuncture could not reach, he administered an anesthetic (*Mahuang* or similar ancient anesthetic formula). After a short while, the patient would fall into a state resembling drunkenness or death, losing all consciousness, at which point he would incise the body to remove the pathology. If the lesion was in the stomach or intestines, he would wash them out, suture the wound, and apply medicated ointment massage; within four or five days, the patient would return to normal without pain. He authored the *Neizhao Tu* (Illustrations of Internal Visualization), which circulated widely. He was later executed by Cao Cao.

Among Hua Tuo's disciples, some were versed in medical classics from a young age, inheriting Hua Tuo's transmission, particularly refining their medical skills and producing written works.

A native of Guangling, he was a disciple of Hua Tuo, famous for his medical skills. His temperament was tranquil, and he excelled in medicine and pharmacology. At ninety years old, his hearing and vision remained sharp, and his teeth were firm; he was renowned in his contemporary era.

A native of Pengcheng, he studied under Hua Tuo and subsequently became a renowned physician.

A native of Longxi, known as the "Green Ox Daoist," he consumed *Coptidis Rhizoma* (Huanglian) for over fifty years and later entered Niao Shu Mountain to consume mercury. At a hundred years old, he resembled a child. He often rode a green ox; when treating patients on the brink of death, his medicines revived them immediately. It is said he later ascended Qiushan to become an immortal.

A native of Jingzhao, with the courtesy name Boxiu. He frequently gathered herbs in famous mountains and sold them in Chang'an at a fixed price, without double pricing. Over thirty years, he saved many lives. When Emperor Huan conscripted him, he fled to Baling Mountain and refused to serve.

Of unknown origin, he often ground mirrors in the market. Seeing those suffering from illness, he gave them purple pills, curing them instantly. He did this for ten years. Later, during a severe epidemic, he carried medicine to revive the dying without accepting any money. The people of Wu knew him to be a true master and later found him dwelling at the peak of Wushan. He told people, "I shall return to Penglai Mountain. Below here lies the Divine Water Cliff; if you drink from it, your illnesses will be cured." This proved true.

With the courtesy name Junyi, he was a native of Houguan, specializing in medicine. For those he cured, he required the planting of five apricot trees for severe cases and one for mild cases. Within a few years, the number of apricot trees exceeded one hundred thousand.

With the courtesy name Shen Yuan, he was a native of Huayang, Chengdu. He loved medicine. Those seeking treatment, regardless of status, received his attention. Whenever he encountered a prescription or theory in the Classics and Histories, he recorded it. At that time, Pu Gong, Left Vice Director of the Department of State Affairs, offered him an official post, which he declined. He authored dozens of volumes of *Jingshi Leizheng Beiyong Bencao* (Compendium of Materia Medica for Emergency Use Classified by Classics and Histories).