Republican-era physician, author of Chóngdìng wēnrè jīngjiě 重訂溫熱經解 (KR3eg013). The text presents Shěn as a sharp critic of the established Qīng wēnbìng canon: in his self-styled survey of the medical canon Shěn argues that Wáng Shūhé and Wáng Bīng (the Jin–Táng Nèijīng and Shānghán editors) had misread the canonical texts already in their own time, and that subsequent commentators compounded their errors — burying the divinely transmitted medical learning for nearly two thousand years. He is particularly hostile to Wú Jūtōng and Wáng Mèngyīng, whom he accuses of trying to set aside Shānghán doctrine and forge an independent wēnbìng line on the strength of Yè Tiānshì’s prescriptions — meritorious to Yè, but “sinners against Zhāng Jī” in Shěn’s reckoning.
Shěn elaborates an East–West medical comparison: westerners are dense-bodied, thin-skinned, with internal-origin diseases (pneumonia, hepatitis, gastritis); Chinese are loose-bodied, soft-skinned, with external-origin diseases (wind, cold, heat, damp, dryness, fire), accordingly requiring external-resolution therapy. His doctrinal core is qìhuà 氣化 (qi-transformation) — the five movements and six qi as cosmic transformation, channel-transmission as bodily transformation. He distinguishes warm disease as caused by heavenly qi (south wind, excessive warmth) from plague as caused by earthly qi (failure of yīnyáng descent / ascent — typically signalled by snowless winter, the earth-qi rising, rats falling ill first), the latter being the “rat plague” 鼠疫 lineage. He explicitly criticises Western medicine for treating all contagion as plague, missing the qi-transformation distinction.
Shěn’s son edited and printed the work — the preface signed by the son mentions “father commanded me to proofread and print first to seek correction from those who understand medicine”. Lifedates are not recorded in standard sources. The Wikipedia (zh) entry for 沈麟 refers to a Qīng Wūchéng 烏程 official — not this Republican physician.