Bian Que
Bian Que was a commoner who worked at an inn. At a very young age studied and became a doctor. It was noted that he was very accurate in diagnosis and was a famous folk hero. He developed a strict set of rules regarding treatment. Never treat someone who believes in shamanism. Do not treat if a yin/yang organ is defective. Do not treat if there is no means of survival. Do not treat yourself. Do not treat a arrogant materialist. Do not treat if the stomach is deficient.