The invention relates to a recycling device, in particular to an environment-friendly straw recycling device. The invention provides an environment-friendly straw recycling device which is reliable, simple to operate and convenient. The environment-friendly straw recycling device comprises a base, supporting columns, a discharging box, a smashing box, a first support, a cutting tool, a rotating mechanism, a smashing mechanism and the like, the supporting columns are arranged on the front portion and the rear portion of the left side of the base, the discharging box is arranged between the tops of the two supporting columns, the smashing box is arranged at the bottom of the discharging box, and the first support is arranged in the discharging box; the cutting tool is rotationally arranged at the top of the first support, the rotating mechanism is arranged on the left side of the base, and the smashing mechanism is arranged in the smashing box. According to the device, by arranging the rotating mechanism, the rotating mechanism can drive the cutting tool to rotate, and the effect that the cutting tool rotates to automatically cut rice straw is achieved.