Germany has developed preventive measures against juvenile drug addiction for 30 years. Especially, conventional preventive measures against juvenile drug addiction in Germany have been accomplished to prevent juveniles from contacting drugs, with a focus on informing juveniles of negative aspect of drugs and promoting their problem solving ability. In this study, specialized preventive measures against juvenile drug addiction in Germany are analyzed critically. It is needed to take a radical change for taking its preventive measures against juvenile drug addiction effectively in Germany. New preventive measures against juvenile drug addiction should be developed by considering their knowledge and experience of drugs. New methods should put stress on supporting their knowledge and competence to contact drugs in self-control. Research on German experiences will give suggestions for developing preventive measures against juvenile drug addiction in Korea.