조선 후반기에는 보수 주위에 악기를 표현하여 경전에서 설한 보수를 좀 더 구체적으로 표현한 것으로 추정된다.
In the second half of the Joseon Dynasty, musical instruments were expressed around the treasure trees, and it is believed that the treasure trees described in the scriptures were more specifically expressed.