Building garden maintenance device

The utility model discloses a maintenance device for a building garden. Including a stent, arc-shaped baffle plates are fixedly connected to the top ends of the two brackets; clamping mechanisms are connected to the interiors of the two shells in a sleeved mode, a transmission mechanism is installed in the support, a spraying mechanism is movably connected to the left end of the transmission mechanism, a vertical rod is connected to the interior of the sliding sleeve in a sleeved mode, a hook is fixedly connected to the top end of the vertical rod, and the right end of the sleeve is fixedly connected with the vertical rod. Building garden maintenance device, a pipeline, a connecting seat, a spray head and the like are matched for use; through cooperative use of a rotary disc, a threaded rod, a threaded seat and the like, the working efficiency is improved, through cooperative use of a push rod, an ejector rod, a first spring and the like, trees are prevented from toppling over, the stability of the trees is g