The invention discloses an agricultural rotary cultivating, sowing and covering integrated multifunctional machine. The multifunctional machine comprises a rotary cultivator. A rotary cultivating paddle is arranged inside one side of the rotary cultivator, a soil retaining plate is arranged at the lower end of one side of the rotary cultivator, and a sower is fixedly connected to one side of the rotary cultivator. Sowing legs are connected to the lower sides of sowing rollers through hoses, a sowing roller driving wheel is arranged between the sowing legs, a spring is arranged at the lower endof a movable plate, the lower end of the spring is connected to a lug by a long rod, and a soil pressing roller is rotatably connected to the inside of the lug. According to the agricultural rotary cultivating, sowing and covering integrated multifunctional machine, the integrated operation of rotary cultivating, sowing and covering can be achieved, and the planting efficiency is greatly improved. Brushes are arranged on the sowing rollers to avoid the plugging and jamming of seeds, a compression spring is arranged on one side of a covering plate to achieve a certain buffering effect and to prevent harder soil blocks from damaging a blade, the blade is arranged to further smash bumps, and the soil pressing roller is arranged to press the ground under the action of the spring and to be more conducive to the growth of the seeds.