The term 牛棚 (niúpéng) is inextricably linked to the Cultural Revolution (文化大革命, Wénhuà Dàgémìng), a decade of extreme political and social turmoil in China. During this period, Chairman Mao's government sought to purge society of “bourgeois” and “counter-revolutionary” elements. Intellectuals, teachers, writers, artists, and former officials were labeled “ox ghosts and snake spirits” (牛鬼蛇神, niúguǐshéshén). The “牛 (ox)” in this derogatory label is the direct reason their makeshift prisons were called 牛棚 (cowsheds). Being “sent to the cowshed” (关进牛棚, guān jìn niúpéng) meant you were stripped of your job, your home, and your dignity. In these detention centers, victims endured physical torture, psychological abuse, public humiliation sessions (批斗, pīdòu), and were forced to write confessions and perform grueling manual labor. These were not formal prisons but extra-legal sites of punishment, making them particularly terrifying.