Rule, refers to the rules and regulations required to follow during the production process. It includes: process documents, operating instructions, standards process guidelines, production drawings, production schedules, product performance standards, inspection standards, such as various rules. Here the role they can be timely and accurate reflection of production and product quality requirements. Operating in strict accordance with the order, is a condition to guarantee product quality and production progress.

Environment. For some products (computers, high-tech products), the environment requirement is very high, the environment will also affect the quality of the products. For example: the sound debugging, the requirements of the surrounding environment should be very quiet. Now the manufacturers also have introduced ISO14000 environmental management system. 5S are the specific requirements for enterprises to improve the environmental performance. The environment production at the scene, is likely to pose a threat to the safety of its staff; if the staff work in the dangerous environment, how can we do to work? Therefore, the environment is a part which cannot be ignored in the production site management.