The present invention relates to a farm product transport cart that can flexibly cope with the width of the furrows and ridges, and at the same time easy to move and change the direction even on the road with a lot of curvature, A plurality of base frames 10 capable of loading agricultural products, a support frame 20 disposed in four directions of the base frame 10 to support and fix the base frame 10, and the support frame 20. Sliding bar 30 is fixed to the bottom of the front, rear direction of the sliding frame 41 is fixed to the variable frame 40 and integrally fixed to be inserted and inserted into the sliding pipe 30, A variable frame 40 having left and right symmetrical structures in which a sliding bar 41 that allows the front and rear wheels to be reduced or expanded in one body is integrally fixed and fused to the front and rear sides of the support frame 20, respectively. At the same time, the driving handle 50 which is fixed to the sliding pipe 30 and moves the trolley and the tire 61 which is filled with pneumatic pressure are fixed to the outer ring 62 and the central shaft 63 is provided at the center of the outer ring. Is connected to the front wheel The front wheel frame 64 to enable the front wheel 60 is fixed to a pair of left and right on one side of the bottom of the variable frame 40, the tire 71 is filled with air pressure is fixed to the outer ring 72, The rear wheel frame 74 is configured to be connected to the central shaft 73 installed at the center to enable the rear wheel to be rotatable, and the bearing is installed on the upper side of the rear wheel frame 74 to facilitate the reciprocating movement of the rear wheel at a predetermined angle. The handle post 75 is fixed and connected at the same time the handle fork 75 is a rear wheel 70 and the rear wheel fixed in a pair of left and right on one side of the bottom surface of the variable frame 40 by the mounting bracket 76, It is fixed to the handle post 75, the other side is fixed t
