Jidu Shenhan (English name: Deep Freeze) is an online-literature author about whom limited public information is available; neither nationality nor dates of birth and death are known. The library currently holds one work by this author, the representative title Hu Hua Yu Yi (roughly, The Doctor Who Protects the Flowers). Judging from the existing categories, the author's writing falls within male-oriented fiction and urban fiction, with works set against an urban backdrop and featuring genre narrative traits aimed at a male readership. The title Hu Hua Yu Yi also suggests a plotline that may combine medical themes with the protection of a female character. Because verifiable biographical details, writing history, and the number of works are all very limited, this introduction is based solely on the facts in the library, covering the pen name, representative work, and common categories without further speculation; readers may consult the work itself to learn more about the author's style and thematic focus.