Garden tree worm hole repairing device

The utility model belongs to the technical field of tree worm hole repairing, and particularly relates to a garden tree worm hole repairing device which comprises a repairing machine, an installation sleeve is fixedly arranged at the output end of the repairing machine, a drilling assembly is detachably installed on the outer wall of the circumference of the installation sleeve, and a first limiting sleeve is fixedly arranged on the inner wall of the outer end of the installation sleeve. A butt joint groove is formed in the outer end of the first limiting sleeve, a sealing block is slidably connected to the inner wall of the butt joint groove, a limiting rod is fixedly arranged on the outer wall of the sealing block, the inner end of the limiting rod penetrates through the sealing block and extends into the mounting sleeve, and an elastic assembly is mounted on the inner wall of the mounting sleeve. When the mounting sleeve and the threaded sleeve are inserted into the tree worm hole, the limiting rod at the