Park Bul-hwa or Piao Buhua (Chinese: 朴不花; Korean: 박불화; Hanja: 朴不花; Mongolian Script: ᠪᠤᠬᠠ; ?-1364) was a Korean eunuch serving Empress Gi of the Yuan dynasty. He was the first ethnic Korean eunuch in Chinese history. Bak assisted Empress Gi's campaign to force Toghon Temür (Emperor Huizong of Yuan) to pass the imperial throne to her son, Ayushiridara (Emperor Zhaozong of Northern Yuan).[1]