The full name shall be used for the signature of system documents to facilitate traceability and management. System document is a document that records the process status and results, and is an important part of quality management system document. The so-called process state is mainly aimed at the formation process of product quality and the operation process of the system, while the process result refers to the operation effect of the system and the degree to which the product meets the quality requirements. According to the above characteristics of records, records play an important role in the organization's quality management system.