He was nominated to be a Jipyeong (持平, 지평) as a Yebinshijeong (禮賓寺正, 예빈시정) and had served in various other posts, before he left politics to absorb himself in scholarly pursuits.
In 1660 he became a leading figure in the controversy regarding the mourning rituals over King Hyojong. In 1674 he became involved again in a second round of the controversy, this time over the death of Queen Inseon. In 1680 he was ordered to commit suicide by King Sukjong after a long public debate with Song Siyeol. In 1680 Yun Hyu was expelled and exiled to Gapsan (甲山, 갑산) and that year sentenced to death and executed.
^Lankov, Andrei (1990). "Controversy over Ritual in 17th Century Korea". Seoul Journal of Korean Studies. 3: 49–64.
^Lankov, Andrei. : 53.Missing or empty |title= (help)
^Miura, Kumio (1985). "Orthodoxy and Heterodoxy in Seventeenth-Century Korea: Song Siyol and Yun Hyu". In de Bary, Wm. Theodore. The Rise of Neo-Confucianism in Korea. NY: Columbia University Press. pp. 411–444 .