A harvester is an important equipment in the segmentation harvesting operation.After the crop is cut,the stalk is pushed and placed in the field by the material conveying mechanism.The quality of the laying directly affects the picking,threshing and cleaning in the later stage.This paper was summarized the research status of the dialing machine and the research status of the dialing mechanism.It was pointed out the shortcomings in the current research,and some suggestions for future development were proposed.It provides a certain referenc...