Buffering air inflation packaging bag

The utility model discloses a buffering air inflation packaging bag belongs to air inflation packaging bag technical field, including the air bag, the air bag is the T type, be equipped with a plurality of plenum chambers on the air bag, be equipped with first hot seal line between the adjacent plenum chamber, the equidistant range of a plurality of plenum chambers, the air bag is by two -layer plastic film's no. 1 closed the forming of thermo compression bonding all around, a plurality of plenum chambers divide into left plenum chamber district, middle plenum chamber district and right plenum chamber district triplex, the front end in the front end in left side plenum chamber district, the front end in right plenum chamber district and middle plenum chamber district flushes, be equipped with three transversal arrangement's break line in the middle plenum chamber district, be first break line, second break line and third break line respectively, the impartial interval of first break line, second break line an