Xu Hun, bearing the courtesy name Yonghui, hailed from Danyang and descended from the distinguished former chancellor Xu Yushi. Demonstrating exceptional literary talent early in life, he successfully passed the imperial examinations to attain his Advanced Scholar (Jinshi) degree in the sixth year of the Taihe reign under the examiner Li Gui. Following his scholarly success, he served in local administration as magistrate of Dangtu and Taiping counties. Due to recurring illness, he stepped down from his magisterial duties before returning to public service as military advisor in Runzhou. During the Dajun era, Xu Hun ascended to the position of Censor of the Surveillance Commission, subsequently holding titles as员外郎 in the Bureau of Provisions, as well as serving honorably as prefect of Mu Prefecture and Ying Prefecture. Because his country villa was situated near the famed Dingmao Bridge in Runzhou, he compiled his literary works under the title of the Dingmao Collection, cementing his administrative and literary legacy.
As a quintessential master of late Tang lyricism, Xu Hun distinguished himself through his mastery of regulated verse, particularly the seven-character quatrain and lüshi formats. His aesthetic sensibility leans heavily toward elegiac reflections on historical decline, autumn desolation, and atmospheric mist-shrouded landscapes. Unlike the exuberant grandeur of the High Tang, Xu Hun's poetry captures a refined, autumnal sorrow, balancing pristine diction with structural precision. Among his most celebrated masterpieces are Viewing the River at Jinshan and Autumn Thoughts at the Pass, which encapsulate his signature tonal depth and evocative evocation of bygone dynasties.
Xu Hun's poetic universe is deeply rooted in the Confucian ethos of public duty tempered by Daoist detachment and historical nostalgia. While his official career in the imperial bureaucracy demanded rigorous adherence to statecraft and moral responsibility, his frequent retreats to his Runzhou estate fostered a meditative appreciation for natural seclusion. His verses frequently juxtapose the fleeting nature of human ambition against the enduring permanence of mountains, rivers, and ancient ruins, revealing a poignant philosophical resignation characteristic of literati caught in the twilight years of the Tang empire.
Xu Hun's literary footprint is securely preserved within the comprehensive imperial anthologies of the Qing dynasty, notably the Complete Tang Poems (Quan Tangshi), which compiled his surviving corpus into eleven distinct volumes. Traditional Chinese literary critics esteemed his technical dexterity and tonal resonance, often grouping him alongside contemporaries who refined late Tang aesthetics. In modern international Sinology, Xu Hun is recognized as a vital bridge between classical prosody and the introspective shift that characterized the transition into the Song dynasty lyric sensibility.