(According to the characteristics of it projects and their management, it project management theories and methods systematically studies the main contents of 1t project management by referring to the mature project management theories and methods in engineering construction, aerospace and other fields. As a successful experience, Establish the theoretical and methodological framework system of 1t project management to provide basis for the research on the main problems of IT project management. It project management theory and method includes IT project classification and characteristics, it project management connotation and knowledge system, it project life cycle and main work of each stage, it project management system, it project management model, it project organization model, it project investment and financing management, order it project evaluation, non order it project pricing, it project procurement management, it project objective control, 1t project evaluation and audit, it project management consulting It project contract management, etc.)