Method for preparing organic fertilizer from straws

The invention provides a method for preparing an organic fertilizer from straws. According to the method for preparing the organic fertilizer from the straw, a device for preparing the organic fertilizer from the straw is adopted. The device for preparing the organic fertilizer from the straw comprises a processing shell, a slitting unit and a smashing unit, wherein the slitting unit is arranged on the upper side of the inner wall of the processing shell, and the smashing unit is arranged on the inner wall of the lower end of the processing shell. By means of the device, the method of the invention can overcome the problems that straw is mostly processed in a manual cutting mode when being cut at present, the straw needs to be cut step by step in the manual cutting mode, residual water in the straw cannot be removed, later straw processing is affected, cutting efficiency is affected, and the labor cost is consumed; and the method of the invention can also overcome the problems that it cannot be guaranteed tha