The system review mental model is a method for gaining deep understanding of a new field or industry's current state and uncovering its development trends by comprehensively, systematically collecting, evaluating, and analyzing information. It emphasizes approaching information gathering with clear questions, maintaining objectivity and avoiding bias, using output to drive deeper thinking, and ultimately testing conclusions through practice and conducting regular reviews. This ensures the effectiveness and adaptability of decisions. The method aims to help individuals or organizations stand on the shoulders of giants—quickly acquiring valuable experience—to make more informed decisions.