What should be understood about quality?

To understand quality management, we must first understand the definition of quality. ISO standard says that quality is "a set of inherent characteristics and the degree of meeting requirements", which means that quality is a characteristic and the degree of meeting requirements. The higher the degree, the higher the quality and the worse. For example, product quality can be understood as: meeting the inspection standards set by current enterprises; This "test standard" symbolizes a kind of characteristic and degree.