Cáo Cúnxīn 曹存心 (zì Rénbó 仁伯, hào Yuècūn 樂存; 1767–1834, CBDB 88559) — Chángshú 常熟 (Jiāngsū) physician of the early nineteenth century, conventionally treated as one of the principal “Sūzhōu masters” of the post-Yè-Tiān-shì tradition. His teaching at his Liúyīngtáng 留影堂 studio at Chángshú attracted leading pupils from across Jiāngnán — including Wáng Xùgāo 王旭高 (王旭高) — and his clinical synthesis, heavy on the jīngluò 經絡 / jīnyè 津液 framework and on the use of light moistening prescriptions, was foundational for the late-Qīng wēnbìng tradition. His principal works are KR3ep025 Cáo Rénbó yīàn lùn 曹仁伯醫案論 (discussion-style casebook), Liúyīng yīàn 留影醫案 (version anthologised in KR3ep021 by 柳寶詒 Liǔ Bǎoyí), KR3ep069 Cáo Rénbó yīàn, and KR3ep095 Yánlíng dìzǐ jìyào 延陵弟子紀要 (record of his teaching to his disciples). For modern treatment see Scheid 2007.