Field fiber straw slurrying, deep burying and returning treatment device

The utility model relates to the technical field of agricultural production. The field fibrous straw slurrying, deep burying and field returning treatment device comprises a machine frame, the machinecomprises a machine frame, a housing is arranged on the machine frame, the machine frame is sequentially connected with a smashing treatment device, a slurrying treatment device and a deeply-buried field returning device, the smashing treatment device and the slurrying treatment device are arranged in the housing, and a speed changing device is further arranged on the machine frame and connectedwith the smashing treatment device, the slurrying treatment device and the deeply-buried field returning device. According to the utility model, not only is the problem that the ground straw affects seeding and crop growth solved through a new field returning mode, but also soil compaction can be reduced in combination with deep scarification mechanization, and the pulpified straw can increase deep soil organic matters in