In the play, the role of doctor Zhu Yanmanzi often recites a medical book, probably to emphasize her professional characteristics as a doctor and the spirit of hard study.
Specifically, the cover of this medical book is blue with white words and patterns on it. The name of this book may be Harrison Infectious Disease. This is a classic medical book, which mainly introduces the treatment and diagnosis methods of infectious diseases. It is one of the reference books often used by many doctors.