The slogan of "quality first" was put forward by Japanese quality management expert Shintaro Ishihara in 1960s. According to official website's inquiry, when he put forward this slogan, he emphasized the importance of product quality to enterprises, and put forward the methods and ideas to achieve quality first. He believes that enterprises should put customers' needs and expectations in the first place, and constantly improve product quality and service quality to meet customers' needs and expectations, so as to realize the sustainable development of enterprises.