Early-Qīng physician of Yínxiàn 鄞縣 (Níngbō), Zhèjiāng, zì Shèn’ān 慎庵, active in the Kāngxī–Yōngzhèng transition. Pupil of the Confucian-physician Shěn Guǒlú 沈果廬. Author of Sì zhěn jué wēi 四診抉微 (KR3eb003, pub. 1723), an eight-juan synthesis of the classical four diagnostics. The text records two of his disciples by name (Wú Guān 吳冠 and Zhāng Shàoyuǎn 張紹遠). No CBDB record.