Tuo Hua practices medicine. 華佗行醫圖. Size: 54"x 27"inch. By Ming Yan. 
Tuo Hua 華佗(145-208) was a famous medical scientist in the late Eastern Han Dynasty.
Tuo Hua, Feng Dong 董奉 and Zhongjing Zhang 張仲景 are known as the "Three Miracle Doctors of Jian'an".
Hua Tuo is called the "master of surgery" and the "originator of surgery" by later generations. Later generations often called him the miracle doctor Hua Tuo, and he was also praised as "Hua Tuo's reincarnation" and "Yuanhua's rebirth" as a physician with outstanding medical skills.