Emphasizing the development and application of big educational data technology in the field of postgraduate education and teaching is an effective way to achieve the goal of modernization of postgraduate education in my country. This paper aims at the reform of graduate course education and teaching, from the aspects of teaching concepts, teaching organization and guidance, teaching methods, teaching management and evaluation, etc., focusing on promoting the reform of postgraduate training mechanism, innovation of training mode, and construction of quality assurance system is the key to comprehensively deepening reform, emphasizing coordination and overall advancement are important considerations for comprehensively deepening reforms, and improving the construction of institutional systems is the fundamental guarantee for comprehensively deepening reforms.