The straw applicator is able to apply the straw to various packages, such as carton box, plastic cup, and plastic bottle. It provides a solution for user's convenience, and makes the product different from other common ones. For automatic finishing the process of transporting product and straw, trimming straw, applying glue and straw to the package, and machine fault alarming, the machine adopts the PLC automatic control system, which saves cost and labor. Additionally, the machine is simple and reliable to operate.