据调查,目前我国重点工业企业生产的优等品和一等品加起来不到35％,不良品年损失率为产值的10％左右。从一定意义上说,产品质量就是企业的生命,就是效益。本文是在调查了一些先进企业的实践经验的基础上,研究总结出提高产品质量的六种方法,供工业企业参考借鉴。梯形保证法。从厂级到科室、车间、班组的各级质量组织在全厂范围内呈梯形展开,逐级把关,层层保证。厂级成立由厂长任主任的全面质量管理委员会,下设专抓产品质量工作的全面质量管理办公室。各科室、车间、班组成立TOC小组, According to the survey, at present, China’s key industrial enterprises produce superior products and first-class products that add up to less than 35%, and the annual loss of defective products is about 10% of the output value. In a certain sense, product quality is the life of an enterprise and it is its effectiveness. This article is based on the investigation of the experience of some advanced companies, based on the study and summed up the six methods to improve product quality, for industrial enterprises reference. Trapezoidal guarantee method. The quality organizations at all levels, from the factory level to the departments, workshops, and teams and groups, have been trapezoidal in the whole plant, step by step, and ensured at every level. At the factory level, a total quality management committee is established by the director of the factory, and a total quality management office specializing in product quality work is set up. The TOC team was established in each department, workshop and team.