In the development of China's energy industry, petroleum engineering occupies a major economic position. Petroleum engineering cost information is the basis of planned investment and project settlement, and also the basis and key of project cost control and project management. This paper briefly analyzes the development trend of petroleum engineering cost information construction, and puts forward countermeasures to strengthen the construction of petroleum engineering cost information according to the problems existing in the development of Sinopec petroleum engineering cost management informatization .This paper mainly analyzes the current situation and trend of petroleum engineering informatization, the theoretical analysis of petroleum engineering informatization and the development strategy of petroleum engineering informatization.