The novel creates the image of Lin Yu, a modern doctor who has superb medical skills but is confused. The introduction of ancient medical books allows him to get in touch with ancient medicine, paving the way for the integration of ancient and modern medicine in the later chapters. Then it depicts the ancient female doctor Wanqing, who developed a prescription based on ancient books during the dilemma of the plague, which reflects her medical skills and kindness. Then, through the magical Book of Time and Space, the two communicated, learned each other's medical strengths, and jointly created a new medical system. Finally, they emphasized the inspirational effect of their stories on future generations. The whole system follows two clues, modern and ancient, in parallel, and then integrates the two through special connections, progressively showing the legendary process of combining ancient and modern medicine.