1.5S originated in Japan and refers to the effective management of production factors such as personnel, machines, materials and methods on the production site. This is a unique management method of Japanese enterprises. 1955, the slogan of Japanese 5S is "Safety begins with sorting and ends with sorting".

2. By 1986, Japanese 5S works came out gradually, which had an impact on the whole field management mode and set off a 5S craze. 5S field management method, a modern enterprise management mode, is also called "Five Principles", that is, sorting, rectifying, sweeping, cleaning and literacy.

3. After World War II, the quality of products improved rapidly, and the status of economic power was established. Under the advocacy of Toyota, 5S has played a great role in shaping corporate image, reducing costs, delivering goods on time, ensuring safe production, highly standardizing, creating a relaxed workplace and improving the site.

With the development of world economy, 5S has become a new trend of factory management. 5S is widely used in manufacturing and service industries to improve the environmental quality on site and the way of thinking of employees, so that enterprises can effectively move towards total quality management. It is mainly aimed at the manufacturing industry to carry out corresponding activities on production factors such as materials, equipment and personnel at the production site.