The invention provides a production technique for a three-horse packaging bag. The production technique comprises the following steps that (1) roll paper is selected and purchased; (2) the roll paper is cut to be of the sheet paper specification, trimming and leveling are conducted through a paper cutting machine, a bag body of the sheet paper specification enters a flat printing machine, and exquisite patterns are printed on the outer layer of the bag body; (3) the surface of the printed bag body is coated with a BOPP matte film or a BOPP glossy film; (4) embossing is conducted through a product brand embossing technique; (5) impressing is conducted on the printed patterns; (6) a manufactured special mold is installed on a machine, the paper is folded and subjected to edge sealing, and the position of an opening of the packaging bag is reserved for placing a product; and (7) forming is conducted finally. According to the production technique for the three-horse bag, compared with a traditional technique, the plate cost is reduced, and printing ink is more environmentally friendly; and the patterns can be replaced for every batch, the cost is reduced by 30%, the time is shortened, the efficiency is improved, and the defect rate of products is decreased.