the difference between 4D management system and six-routine management is that 4d site management system is more suitable for the national conditions of China and the development of enterprises than six-routine method and five-routine method; Liuchang Management is an upgraded version of 4D site management system, which is suitable for foreign enterprises. 4D is an effective technology to create and maintain a good working environment, including sorting out, responsibility, implementation and training. Implementation steps: organization: set up a 4D implementation team and draw up the rules of the activity plan; organize the formulation of various 4D specifications and audit standards training; publicize the basic knowledge of 4D and the implementation of various 4D specifications; fully implement various 4D specifications, self-audit and supervision; organize inspection and mutual evaluation of 4D operation processes: 1. 1D— put in place and put in place; define: judge the necessary and non-essential items, minimize the number of necessary items, and remove the non-essential items. Necessities are clearly marked and neatly placed with the minimum safe dosage; Do a good job of cleaning The purpose of putting it in place is to make "space" available and prevent misuse. Neat and marked, don't waste time looking for things for 31 seconds to find what you are looking for; Clean up the mess in all areas of the workplace, and keep the environment, articles, instruments and equipment in a clean state to prevent pollution. Put it in place: 1. Conduct a comprehensive inspection of the workplace. 2. Establish the criteria for judging whether it is needed or not. 3. Remove unnecessary items. 4. Investigate the frequency of use of needed items and decide the daily dosage. 5. Hierarchical management is carried out according to the frequency of use of items. Finishing in place can be done according to four points, five decisions, four unification and one cleanliness. 1) Four points, that is, classification, zoning, layering and color; 2) Five determinations, namely naming, quantification, positioning, orientation and streamline determination; 3) Four unifications, that is, the guests' stored goods and Kaifeng food are unified, the employees' personal belongings are unified, the two items are unified, and the notice board is unified;