Application of ISO 9001 "Quality Management Systems - Requirements" helps organizations to achieve consistently products that meet the established requirements and to continuously improve their performances. Given this reality, the present book aims to describe how organizations should approach quality by addressing the requirements and tools specific to quality management systems (QMS) according to the ISO 9001 model. The book refers to the modem approach to quality, generically named as quality management that represents the systematic actions taken to achieve quality. The book presents in the first two chapters the basic concepts – quality and quality management. The introductory comments also include the evolution of the quality movement, and the basic principles of quality management. In the central part of the paperwork - Chapters 3 - 9 - the configuration and elements of the quality management system according to ISO 9001 are described. Given the dynamics of this referential, which is periodically reviewed, the main changes between the 2015 edition of ISO 9001 and the previous edition (2008) are highlighted. Chapter 3.shows QMS configuration and documents. A distinct chapter (Chapter 4) is meant for process approach, one of the basic principles of modern management that has been expanded along with quality concerns. The presentation of QMS components requirements follows the sequences that define the management cycle, Plan-Do-Check-Act, a succession of processes that describes the mechanism of continuous improvement. Thus: in Chapter 5 there are comments on the requirements of ISO 9001 regarding the quality planning; Chapter 6 presents the requirements of ISO 9001 related to basic and support processes; quality control is the subject of Chapter 7, and Chapter 8 deals with quality improvement; Chapter 9 refers to leadership, synthesizing the requirements regarding the role of management at the highest level and the tools specific to the achievement of its attributions related to quality within the organization. The tenth chapter describes the QMS implementation process, which usually ends with the system certification. The last chapter goes beyond the requirements of ISO 9001, and refers to the quality approach by costs, which is associated with more performing systems that characterize a more effective approach known as Total Quality Management (TQM). This chapter also c1arifies what TQM means and which are its distinctive elements.