Roll desiccant (Roll desiccant) is a strip desiccant formed by connecting a small bag of desiccant. It is a kind of desiccant that connects a single bag of desiccant into a strip for automatic packaging. Compared with the traditional single-bag desiccant manual delivery package, the roll desiccant is specially used for machineized automatic delivery package, which can effectively save labor time and cost and improve packaging efficiency. It is used as a medicine, health care product and food industry. A new packaging trend to ensure that the quality of the final product meets regulatory requirements.