Structural Thinking is an essential core skill for every professional, acting as the foundational "basic training" for navigating workplace tasks—from problem-solving and decision-making to writing reports and verbal communication. This book breaks down the core of structural thinking: the "top-down, then bottom-up" approach, and introduces practical tools like the Pyramid Structure (rooted in Barbara Minto’s work) and the MECE Principle to streamline thinking and communication. It walks readers through a 5-step actionable framework: establishing core concepts, defining goal-aligned themes, building vertical hierarchies, choosing horizontal logical orders, and crafting visual presentations. Packed with real workplace scenarios and hands-on exercises, it not only helps individuals fix messy reports, boost communication efficiency, and advance their careers but also shows how teams can unify thinking standards to cut internal communication costs. For organizations, it bridges the gap between traditional "bottom-up" communication habits and fast-paced business needs, making it a must-read for anyone looking to think more clearly and communicate more persuasively.