Qín Zhīzhēn 秦之楨 (zì Huángshì 皇士, fl. early-mid Kāngxī, ca. 1700s–1720s, 清), Sūzhōu-region physician. Author of the Shānghán dà bái 傷寒大白 (KR3ef047, 4 juan, 1714) — a clear pedagogical commentary on the Shānghán lùn. His lifedates are not preserved. No CBDB record.