5S activities refer to the activities of constantly sorting out, rectifying, cleaning, cleaning and improving the personnel education of the personnel, machinery, material, law and environment at the work site. It refers to the abbreviation of sorting, rectification, cleaning, cleaning and cultivation. These five words are pronounced in Japanese with "S" as the beginning, so they are called "5S". The company implements 5S to help employees develop good working and living habits, make all items orderly and orderly, reduce waste, improve the company image, improve staff quality, and provide a good site management basis for the company to achieve safe production, improve efficiency, reduce costs, and ensure quality.