Abstract: In recent years, the research of the planter is in full swing in the direction of precision planting. Although planter has been developed from drilling, bunch planting to the precision planter, it is the only way that planting process remains to open, seed, cover three fashion stages. This paper comprehensively analysis the working manner of the soil interacting tools of general seeder machinery and cylinder hole former of bunch planting appeared recently. A new concept of direct insert hole former for planting has brought up, and its basic behaviors were studied in this paper.