An old Chinese medicine practitioner who is 75 years old but looks very young with white hair, full cheeks and rosy complexion, described as white-haired and youthful. He runs a small clinic in an old alley. His medical skills are considered quite good. He prescribed herbs including Baizhu, Qianshi, Chuanjiang, Rougui, Fuling, and Sharen for Chu Tianshu's conditions.