Zhào Shùtáng 趙術堂 (hào Shuānghú 雙湖, mid-Dào-guāng-era physician of Jiāng-Sū), a Gāoyóu 高郵-born physician who settled in Xīnghuà 興化 and conducted his clinical practice across the Jiāng-Huái region. His reputation in his lifetime was specifically for the treatment of damp diseases (人多病濕), endemic in the Jiāng-Huái river-and-marsh environment. His principal work is the Yīxué zhǐguī 醫學指歸 (KR3er050, dated 1848), a two-juǎn didactic medical handbook focused on the jīngluò 經絡 system. He also produced a commentary on Zhāng Zhòngjǐng’s Shānghán lùn and miscellaneous case-records. Honoured posthumously in the Xīnghuà xiàn zhì 興化縣志 liúyù 流寓 emigré-biography section. No CBDB record. Conventional lifedates c. 1800 – c. 1850.