The 1SZL 350 subsoiler & rotavator combined machine adopts Pangolin350 series subsoiler as the front deep loosening tool, equipped with 6 Big shovel for deep loosening operation, with a depth of 25-55cm. The rear land preparation equipment adopts Hornbill 350 series rotary tiller, matched with nail toothed pressing rollers. The whole machine completes the processes of deep loosening, rotary tillage, soil covering, and compaction in one go.