Project management is a multi-objective complex system engineering. It is difficult to obtain the maximum economic benefits by single project management of progress, capital, quality and personnel. We must take the road of comprehensive management. At the beginning of introducing projects into operation and management, it is often easy to start with a single project of a department's plan or budget and ignore its systematicness. Therefore, in order to make project management widely used in operation and management, we must first solve the three aspects of changing the management system and management thought, improving the quality of managers and strengthening the information awareness of all staff..