Finite element method is used to simulate the cutting process of sugarcane to study the influence of blade geometry on the morphology of sugarcane. Through programming VUMAT subroutine, the Hashin unidirectional fiber composite failure criterion is applied to the simulate the cane shearing process to achieve the fracture morphology of sugarcane shearing process, the maximum shear force of the shearing process, the influences of blade wedge angles,the relief angles and the clearance on the shear section. Results show that the fracture morphology obtained by simulation are consistent with existed experiment and simulation results. The maximum shear force is 270 N.When the wedge angle is decreased from 30o to 5o, the upper and lower shear section of sugar cane tends to be flat. Positive relief angle leads to smoother lower shear section. The existence of 2 mm blade gap causes tearing in the part of lower fracture near the stationary blade.