Lawn mower for garden engineering

The invention relates to the technical field of garden engineering, in particular to a lawn mower for garden engineering, which comprises a vehicle body, a support block, a weeding mechanism and a rolling mechanism, a handle is fixedly mounted on the side wall of the vehicle body, rollers are rotatably connected to the bottom of the vehicle body, and the support block is mounted in the vehicle body through a lifting mechanism. A contact sensor is fixedly installed on the side, away from the handle, of the supporting block and used for monitoring the ground height and transmitting signals to the lifting mechanism. The grass trimming rope made of nylon materials is installed for cutting, the safety of the mower is improved, the rotating column drives the grass trimming rope to rotate along the sliding rail, the grass trimming rope cuts weeds twice, the cutting resistance is reduced, the cutting efficiency is improved, the grass trimming blocks are installed on the outer wall of the grass trimming rope, cutting