In 1969 Mun Jeonghui made her debut in literature when her poems "Bulmyeon" (Insomnia) and "Haneul" (Sky) were accepted in Wolgan Munhak's feature on new poets.

The core of Mun Jeonghui's poetry reveals a distinctly romantic consciousness, expressed in crystalline language, dominated by a complex interplay of vivid emotions and sensations.

Even with little sunlight / with love alone / that is shy of new faces / like flowers of grass / I want to knock my whole body against a massive wall / and fall.Mun's similes and metaphors are entirely subjective, having been internalized to chart the evolutions and dramas of her own emotions.

Her figurative language becomes a register of her sensitivity, and movingly treats the themes of romantic love, reticence, suffering, and freedom.

In a few poems such as Potatoes (Gamja), Saranghaneun samacheon dangsinege and Namhangangeul barabomyeo, Mun Jeonghui makes use of the elements of fairy tale narratives in order to arrive at an allegorical distillation of present reality.