余飞

Yu Fei is an author whose works focus on the field of medicine and health. Public information about him is limited: all that is currently known is that five works appear under his name, commonly classified under medicine, health, and examinations. Judging from his representative titles, his writing centers on the thyroid, covering nuclear medicine diagnosis and treatment, understanding and coping with thyroid cancer, and everyday thyroid care presented through the metaphor of the “little butterfly” of the human body, combining professional medical knowledge with accessible popular-science writing. He has also published an introductory AI painting tutorial aimed at complete beginners, showing that beyond medicine he also explores practical drawing-tool subjects. Overall, his works are characterized by practicality and beginner-friendly guidance, suitable for readers with related health needs or interests.