我国小粒种子作物种类繁多,种植面积广泛,但由于其种子体积小、质量小,部分种子几何形状不规则,为精量播种造成了很大的困难。简述了国内外小粒种子精量播种机的研究现状,总结了当前我国小粒种子精量播种机的现状特点及存在的问题,指出了我国小粒种子精量播种机未来发展的方向,为小粒种子精量播种机的研究和设计提供参考。 Because of its small seed size, low quality and irregular geometry of some seeds, small seed crops in our country have a great variety of crops and have a wide area for planting. This has caused great difficulties for precision seed sowing. The research status of small seed sowing machines at home and abroad is briefly reviewed. The current situation and existing problems of small sowing seed sowing machines in China are summarized. The future development of small seed sowing machines in China is pointed out. Precision planter research and design for reference.