This non-plate-changing roller printing machine for plastic woven fabrics is developed for plastic woven bags with various lengths and specifications. There is no need to replace the printing plate roller during printing. It uses a flexible resin plate or rubber plate as the printing plate, and uses oil-based or water-based etc. A printing device that transfers liquid ink through anilox rollers and transfers printing on both sides of roll-type non-stretch materials such as plastic woven fabrics and non-woven fabrics.