This is a collectionof reading notes by Dr. Lang Jinghe, a senior doctor and a science writer known for holding a scalpelin one hand to cure disease and sharp pen in the other hand to depict the realworld. This book presents the author’s deep care for the people, the contrastbetween what medical science pursues andwhat it is like to be a doctor inreality, and the relationships between medical care andhuman life. It showcases the lofty spirit of Chinese doctors, and at the sametime highlights the importance for mankind to face diseases and disasters together.