Breathable container bag

The utility model provides a breathable flexible freight bag, relates to the technical field of flexible freight bags, and solves the problem that when agricultural products are stored and transported by the flexible freight bag, the agricultural products are easy to mildew due to poor breathability during long-time transportation. Reinforcing plates are arranged on the side walls of the container bag, embedding plates are arranged on the two sides of each reinforcing plate, staggered holes are formed in the middles of the reinforcing plates, ventilation plates are connected to the middles of the embedding plates, ventilation holes are formed in the middles of the ventilation plates, and the ventilation holes and the staggered holes are arranged in a staggered mode. The ventilation plate arranged in the device ascends and descends, so that holes of different sizes are formed in the surface of the flexible freight bag, ventilation cooperation of different agricultural products is achieved, and ventilation of t