A rigidflexible virtual prototype model of the manmachinepavement system of the harvester was established by combining finite element analysis software with the software of SolidWorks and RecurDyn.Weighted root mean square values of acceleration was used to evaluate the vibration comfort of the harvester.On the basis of the virtual prototype model of the system,the vibration comfort of the harvester was simulated when it harvests the rice,wheat and rapeseed.The results showed that the driving speed,the road surface hardness and the vertical cutting knife influence the vibration comfort of the harvester greatly.With the increase of driving speed of the harvester,the weighted acceleration RMS of the mass center of human body in different axis and the wholebody vibration acceleration RMS increased rapidly,enhancing the subjective discomfort feeling of the driver.In addition,the vertical cutting knife enhanced the discomfort feeling of the human body.The subjective discomfort feeling of the drive enhanced with adding the vertical cutting knife.