The invention relates to a special-purposed shovel for interplanting maize in a wheat plot. The shovel is characterized in comprising a shovel handle, a shovel rod, a shovel head, a pedal, a seed blanking tube, a straight tube, a straight tube lower port, a suspension plate device, a wheat separator and a seed bag. The suspension plate device is composed of a suspension plate, a steel rod, a spring slot, a slot pedestal, a spring, and an upper cap. The wheat separator is an an additional tool cooperating with the special-purposed shovel. The wheat separator is composed of long rods, a short rod, a pathfinder a rope. The special-purposed shovel is a manually operated agricultural cultivation tool. With the shovel, a large amount of manpower and material resources can be saved, planting speed can be increased, and damage to the wheat to be harvested in the plot can be reduced. The shovel is simple and easy to manufacture, and the manufacturing cost is low. The shovel is suitable for manual operation.