Production process of high-strength packaging bag

The invention relates to the technical field of packaging bag production, and particularly discloses a high-strength packaging bag production process which comprises the following steps: S1, film supply: selecting raw materials of a packaging bag, and preparing plastic particles into the packaging bag through a film blowing machine; s2, printing, wherein the packaging bag is conveyed to a double-face printing and drying integrated device to be subjected to printing and drying treatment; s3, compounding: bonding two or more layers of materials together through a medium (such as glue), so that the packaging bag achieves better performance; s4, die cutting is conducted, specifically, the packaging bag is machined into a corresponding shape through a special-shaped die cutting device; s5, edge cutting, wherein redundant film materials of the packaging bag are cut off; and S6, detection is conducted, specifically, the machined packaging bag is detected, the packaging bag which is detected to be qualified is packag