The invention discloses an efficient and compact double-row automatic piling device. The piling device comprises a rack, a power unit, a piling mechanism, a water storage barrel, a storage device, a transition chute and a 60-degree positioning tube, wherein the piling mechanism comprises a motor I, a belt pulley group, a crank, a connecting rod I, a vertical rod, a four-bar mechanism, a connecting rod II, a connecting rod III, a knocking rod I and a knocking rod II; the storage device comprises a barrel, a gear for the barrel, a stepping motor, a gear for the stepping motor and a discharging hole; the power unit comprises a motor II, a chain wheel and a chain; and the rack comprises a steering wheel, a piling mechanism support frame, a supporting plate, a transition chute connecting rack, wheels and a brake. By the efficient and compact double-row automatic piling device, wood piles can be placed automatically, and are inclined until the angle between each wood pile and the ground is 60 degrees during piling, and simultaneous piling of two sides of the piling device is implemented. The efficient and compact double-row automatic piling device is convenient to use, and piling efficiency, piling quality and safety factors are greatly improved.