Corn and soybean single grain precision sowing and fertilizing machine; One time can complete soil loosening; apply fertilizer; Digging trenches; sow; Covering soil; Suppress the entire process. Using gravity cleaning without damaging the seeds; High precision of seed cleaning, uniform and stable sowing rate, saving seeds and minimizing inter seedling planting; Adopting "zero speed", equal potential, low position sowing, precise hole spacing, seedling agent, strong seedlings, and uniform seedling spacing; Anchor corn, also used for sowing soybeans, cotton, peanuts, and sunflower oil. One machine can be used for multiple purposes. While sowing, base fertilizer can be applied simultaneously, and soil compaction can be achieved. The seeding device is driven by gears, and there is an anti overturning mechanism inside the driving gear to prevent the machine from reversing and causing malfunctions; Adjust different driven gears and adjustable plant spacing; During seed cleaning, the entire seeding tray cover can be removed for convenient and thorough cleaning. This machine is applicable to both cultivated and uncultivated land. This machine has a narrow trench, good moisture retention, and can be used for both direct and lateral application of fertilizers. It has a wide range of supporting facilities.