The utility model provides a harvesting apparatus is excavated to potato, including the frame, set up the gearbox in the frame to and be used for excavating the digger blade of potato, be connected with the link on the digger blade, be connected with the eccentric wheel of being eccentric motion under the power effect on the power output shaft of gearbox, skew centre of a circle department passes through connecting screw rod swing joint with the link on the eccentric wheel, drives the digger blade when eccentric motion is to the eccentric wheel and is circular motion to become flexible and wait to excavate soil, the digger blade is gone up the interval and is provided with a plurality of openings including the shovel body, the shovel body, forms the grid form to reduce the lifting surface area of the shovel body. The device has reduced the lifting surface area of the shovel body through setting up the grid form shovel body, has improved the ability of burying of the shovel body, has improved work efficiency.