Northern- or early-Southern-Sòng scholar-official, titled jìshì zhōng 給事中 (“supervising secretary”). Author of Huángdì yīnfú jīng zhù 黃帝陰符經註 (DZ 117), an eight-folio nèidān-oriented commentary on the Yīnfú jīng. Cited in Tōngzhì “Yìwén lüè” 5.4b. No CBDB record was found, and no further biographical information is available.