The mini rice wheat combine harvester is used for harvesting rice or wheat in small fields, paddy fields or dry fields such as mountainous areas, plains, and hilly areas. The machine has the advantages of small size, low center of gravity, flexible walking, convenient turning and simple operation. It can complete the harvesting, threshing and bagging of rice or wheat at one time with fast harvesting speed, low loss rate, low impurity rate and long life span.