용도가 확실하지는 않으나 글자의 뜻으로 보아 고려 시대에 흔했던 도교 계통의 제사에 사용된 제기일 가능성이 있다.
Its function is not known for certain, but the inscription suggests that this cup was used during Daoist rituals, which were common during the Goryeo Period.