PURPOSE: Tree digging system and method capable of preventing the falling of soil during a transportation process are provided to enable users to easily dug up a tree for transplanting. CONSTITUTION: A tree digging system(100) comprises the following: a side surface supporter(20) formed with plural panels capable of arranged around a soil ball including the root of a tree for transplanting； a soil ball supporter(10) digging up the soil ball by separable connected to the side surface supporter； a supporter fixing unit located on the outside of the soil ball supporter for connecting the side surface supporter and the soil ball supporter； a beam member with the lower side contacting the soil ball supporter； first and second bean connection members fixed to the soil ball supporter and the panels, and the lower and upper sides of the bean member； an outer frame(212) formed on the outer edge of a flat plate(211)； a reinforcing bar(213) fixed to the outer frame； and first and second angles(31, 32) located on both sides of the panels. The soil ball supporter is formed with plural sheet piles connected to each other.본 발명은 수목 분뜨기 장치 및 그 방법에 관한 것으로, 분뜨기 할 수목의 뿌리분 둘레를 따라 배치될 수 있고, 서로 연결될 수 있는 복수의 패널로 이루어진 뿌리분 측면 지지부 및 상기 뿌리분 측면 지지부에 분리 가능하게 연결되어 상기 뿌리분을 떠받칠 수 있는 뿌리분 받침부를 포함하며, 상기 뿌리분 받침부의 외곽 부분은 상기 뿌리분 측면 지지부의 외측 방향으로 돌출되어 있다.
