GMP is a mandatory standards applicable to the pharmaceutical, food industries, requiring companies from raw materials, personnel, facilities, equipment, production process, packaging, transportation, quality control, etc. According to the relevant regulations of the state health quality requirements, formed a set of operational code of conduct to help enterprises to improve health environment, discover the problems existing in the production process, to improve them. In brief, GMP requires pharmaceutical, food and other production enterprises should have good production equipment, reasonable production process, perfect quality management and strict testing system, to ensure that the final product quality (including food safety and health, etc.) meet the requirements of laws and regulations.