In view of the high security risks in Guinea recently, the project security officer of a Chinese funded enterprise of CNOOC International in Guinea, according to the requirements of the project party, actively carried out emergency management, implemented risk management and control, and organized the re inspection of hidden dangers. Highlight the troubleshooting of high-risk operation projects and densely populated places under important facilities and complex geological conditions, rectify the problems found in the inspection in a timely manner, completely eliminate various potential safety hazards, and ensure the safety and stability of the project.