Packaging bag with buffering function

The utility model discloses a packaging bag with a buffering function, which comprises an air bag, an inflating cavity is fixed on one side of the air bag, and a parting line is arranged in the inflating cavity; inflation openings are formed in the two ends of the inflation cavity, inflation operation is carried out on the interior of the inflation cavity through an inflator, buffering is carried out through the bulged air bag, three folding point lines are symmetrically arranged on the surface of the air bag, and the folding point lines facilitate wrapping of objects after the air bag is folded. According to the packaging bag with the buffering function, articles can be conveniently wrapped after the whole packaging bag is folded in the later period through the dividing lines in the inflation cavity, the folding lines on the air bag can be conveniently folded, the articles needing to be packaged can be conveniently wrapped in all directions, the overall buffering performance is greatly improved, bending oper