Quality management system (QMS) provides generic guidance and requirements for establishing an appropriate quality management procedure, in order to lower cost, increase productivity, customer's satisfaction. In construction industry, it can assist the companies to achieve successfully their objectives, and ensure that all phases of construction project consistently meet client's requirements (need). For this intention, the study was conducted an in-depth literature review from different books, journals, and websites, in order to understand profoundly quality management system, identify the characteristics of the vital factors to implement Quality Management System.