SEIRI: it is necessary and unnecessary to distinguish anything in the workplace, except for those left behind. Objective: to make room for space, to prevent misuse and to create refreshing workplaces.
To rectify (SEITON) -- place the necessary articles that are left behind according to the prescribed locations, and place them neatly and mark them. Objective: the workplace is clear at a glance, eliminating the time to search for goods, working in a neat environment and eliminating too much backlog.
To clean up (SEISO) -- clean and clean the workplace which is visible and invisible, and keep clean and bright environment in the workplace. Objective: to stabilize the quality and reduce industrial injury.
Cleaning (SEIKETSU) -- finishing, straighten up and clean up to the end, and institutionalize it, and keep the environment in a beautiful state. Objective: to create clearer scenes and maintain 3S results.
Literacy (SHITSUKE) -- every member develops good habits and rules, and develops positive spirit. Objective: to cultivate employees with good habits and rules, and create team spirit.
Safety (SECURITY) -- attach importance to member safety education, and always have the concept of safety first, and prevent it from happening. Objective: to establish a safe production environment, and all work should be done on the premise of safety.

The following short sentences can be used to describe 6S, and it can also be easily remembered.
Sorting out: to abandon and abandon one thing; to rectify: scientific layout and quick access.
Clean up: remove rubbish and beautify the environment; clean: form a system and carry it out.
Literacy: develop habits, people-oriented, safety: safety operation, life first.