A side-open left-right-door arbitrary-opening structure of a refrigerator, comprising a refrigerator body and a refrigerator door, and further comprising handle frame bars, hinge shafts, hinge shaft stoppers, springs and transmission bodies, wherein four hinge shafts are fixedly connected at left and right sides of the refrigerator body in pairs respectively, left and right sides of upper and lower end faces of the refrigerator door are all provided with an opening neck, each hinge shaft is correspondingly placed in one opening neck, four hinge shaft stoppers are slidably arranged on the upper and lower end faces of the refrigerator door in pairs respectively, one spring is arranged between two hinge shaft stoppers in each pair, tail ends of the hinge shaft stoppers on the upper and lower end faces of the refrigerator door extend into the opening necks at the corresponding sides, and the hinge shafts at the corresponding sides are positioned in the opening necks, so that the refrigerator door is closed on the refrigerator body; and two handle frame bars are rotatably connected onto left and right end faces of the refrigerator door respectively, the handle frame bar at each side is linked with two hinge shaft stoppers at the corresponding sides of the upper and lower end faces of the refrigerator door through two transmission bodies, the handle frame bar at the left or right side is pulled, and the pulled handle frame bar simultaneously drives two hinge shaft stoppers at the corresponding sides of the upper and lower end faces of the refrigerator door to slide and separate from the corresponding opening necks through two transmission bodies, thus opening the refrigerator door; characterized in that each transmission body comprises a second rotating shaft, a rotating shaft connector, a first positioning shaft and a second positioning shaft, the first positioning shaft is fixedly connected onto the refrigerator door, the second positioning shaft is fixedly connected onto the hinge shaft stopper, the rotating shaft connector is sleeved on the first positioning shaft, two ends of the rotating shaft connector are provided with a round hole and a waist-shaped hole, the round hole of the rotating shaft connector is sleeved on the second rotating shaft, and the waist-shaped hole is sleeved on the second positioning shaft; and, wherein a first rotating shaft is fixed on the handle frame bar, and the handle frame bar is rotatably connected onto the refrigerator door through the first rotating shaft, thus driving the second rotating shaft to synchronously rotate around the first rotating shaft. characterized in that each transmission body comprises a second rotating shaft, a rotating shaft connector, a first positioning shaft and a second positioning shaft, the first positioning shaft is fixedly connected onto the refrigerator door, the second positioning shaft is fixedly connected onto the hinge shaft stopper, the rotating shaft connector is sleeved on the first positioning shaft, two ends of the rotating shaft connector are provided with a round hole and a waist-shaped hole, the round hole of the rotating shaft connector is sleeved on the second rotating shaft, and the waist-shaped hole is sleeved on the second positioning shaft; and, wherein a first rotating shaft is fixed on the handle frame bar, and the handle frame bar is rotatably connected onto the refrigerator door through the first rotating shaft, thus driving the second rotating shaft to synchronously rotate around the first rotating shaft.