For the study of coal winning machine end plate load characteristic of cutting pick,with MG500 type coal winning machine roller as the research object,USES the nonlinear dynamics simulation software ls-dyna screw drum of shearer and the finite element model of coal and rock was cut,the model was used to study the working condition of oblique bottom plate and mechanical characteristics of cutting pick load characteristics changing with the installation parameters. Research shows that:the oblique cut into the cutting process,the end plate cutting pick cutting resistance and cutting resistance moment with end plate cutter tooth circumferential tangential decreases with the increasing of the installation Angle,with the side plate cutter pick intercept increases; The eigenvalues of the drum cutting resistance moment with the increase of the circumferential tangential installation Angle of the decreasing trend with the slow,along with the increase of intercept its increasing trend also increases;For the roller with good cutting performance,end plate cutter tooth appropriate chooses the larger circumferential tangential installation Angle and low intercept.