The utility model discloses a flue-cured tobacco tillage and soil preparation machine which is characterized by comprising a machine frame mechanism, a rotary tillage mechanism, a deep scarification mechanism and a fertilization mechanism. The rack mechanism comprises a main rack and two fertilizer box racks; the fertilizer box racks are mounted above the main rack through bolts and nuts; the rotary tillage mechanism is installed on the lower front portion of the main machine frame through bolts and nuts, the deep scarification mechanism is installed on the main machine frame through U-shaped bolts and nuts, the fertilizer applying mechanism is installed on a fertilizer box machine frame through bolts, nuts and bearing seats, and fertilizer is applied into soil through a fertilizer applying pipe extending to the rear portion of the deep scarification mechanism. And the fertilizing pipe is welded on the deep scarification mechanism. Multiple tillage and soil preparation operations can be completed at the same time, multiple purposes are achieved, and the tillage and soil preparation cost is effectively saved.