Yìyuǎn Zhēnrén 異遠真人 (lit. “Perfected of the Distant Outlands,” a Buddhist religious sobriquet; fl. Zhèngdé 正德 — Jiājìng 嘉靖 era, ca. 1506–1566, 明) was a Chán-school 禪宗 Buddhist monk-physician of the Zhènguó Chánsì 鎮國禪寺 in Gāoyóu 高郵 (Jiāngsū province). He is conventionally identified as the founding figure of the late-Míng Buddhist-monastic shāngkē (traumatology) tradition. His Diēsǔn miàofāng 跌損妙方 (KR3el010, completed Jiājìng 2 = 1523) is the earliest systematic Chinese exposition of xuédào 穴道 (acupoint-based) trauma medicine: 57 acupoint diagnoses, 152 herbal prescriptions, and a canonical mnemonic Yòngyào gē 用藥歌 by body region. The work circulated only in manuscript for three centuries before being printed in Dàoguāng 16 (1836) by 孫應科 Sūn Yìngkē; it is the principal late-Míng source for the subsequent Qīng shāngkē canon (KR3el005, KR3el013, KR3el016, etc.). His personal name and lifedates are not preserved; only the religious hào survives. The “真人” (“perfected”) title is borrowed from Daoist usage and is not unusual for late-Míng Chán-school monks in technical medical traditions.