Tobacco sorting department usually belongs to the first-line department of production line. Front-line departments generally refer to departments directly related to production. They directly participate in the production process and are responsible for the processing, assembly and inspection of products. The duty of tobacco sorting department is to classify, screen and sort raw materials or semi-finished products to ensure the accuracy of product quality and specifications. Therefore, according to the definition of general production industry, tobacco sorting department can be classified as a front-line department.