This machine is mainly used to harvest crops of rice, alfalfa, buckwheat, rapeseed, and wheat whose plant height is 0.5-1.2 meters, and the cutting width is 0.8/1.0/1.2/1.5 meters. The transmission device adopts chains and sprockets. It has the advantages of compact structure, light and flexible, reliable use, simple operation, strong work performance, convenient maintenance and so on. Rice and wheat micro windrower, the machine has the characteristics of simple and reasonable structure, convenient operation and maintenance, small size, light weight, low energy consumption, stable performance, good reliability, and strong applicability. It is especially suitable for the harvesting of rice, wheat, corn, pasture, isatis root, rice, pepper, oat grass, alfalfa grass, mint, Mexican grass, soybeans, and reeds in small plots, mountains, hills and areas where straw utilization is needed. As long as a single tree stands upright, the height of the crop is about 50-100cm. The transmission device adopts chains and sprockets. When harvesting, it is connected with the front suspension of the 3WG-4 pastoral management machine, which has the advantages of compact structure, light and flexible, reliable use, simple operation, strong work performance, and convenient maintenance.