GMP standard (Good Manufacturing Practice) is a system to ensure the continuous production of drugs under specified quality. It is to minimize the risk of unqualified drugs in the production process. GMP covers all aspects of requirements, from workshop to ground, equipment, personnel and training, hygiene, air and water purification, production and documentation. "GMP" is the abbreviation of English Good Manufacturing Practice, which means "product quality management standard" or "good manufacturing practice" in Chinese. It is an independent management system, paying special attention to product quality and health and safety in the production process.