Crop straw resource utilization device

The utility model discloses a crop straw resource utilization device which comprises a base, a fixed seat is arranged on the upper portion of the base, a smashing box is arranged on the upper portion of the fixed seat, a partition plate is arranged in the smashing box, a discharging opening is formed in the surface of the partition plate, and two cutting rollers are rotationally arranged in the smashing box and located above the partition plate. Two first crushing rollers and two second crushing rollers are rotationally arranged in the crushing box and located below the partition plate, discharging ports are formed in the two sides of the bottom end of the crushing box, rotating shafts are arranged between the inner walls of the inner sides and the outer sides of the two discharging ports, and two first motors are arranged on the back face of the crushing box; output shafts of the two first motors are connected with one ends of the two corresponding rotating shafts, discharging plates are arranged on the surf