This book first proposes the concept of "A New Type of Large Open Economy". It conducts an This book first proposes the concept of "A New Type of Large Open Economy". It conducts an in-depth analysis of the economic and trade relations between China and the world in the context of Great Change Unseen. It systematically proposes the China's thinking to promote reform，transformation and development by opening-up in the new stage. These are strategic and forward-looking， and will be important enlightenments to China's forthcoming 14th Five-Year Plan.Wei Liqun， Executive Vice-Chairman of China Center for International Economic Exchanges Facing the greatest change in a century in the world， this book proposes how China， as "A New Type of Large Open Economy"， to deal with the complex and changing external situation， to maintain the multilateral trading system， and to promote open， inclusive， inclusive and balanced win-win economic globalization. The book proposes the careful analysis and policy recommendations for coordinating the two major domestic and foreign situations， forming the new drivers for comprehensively deepening reforms，this will play an important role in China's opening-up， deepening reforms and achieving high-quality development.n-depth analysis of the economic and trade relations between China and the world in the context of Great Change Unseen. It systematically proposes the China's thinking to promote reform，transformation and development by opening-up in the new stage. These are strategic and forward-looking， and will be important enlightenments to China's forthcoming 14th Five-Year Plan.Wei Liqun， Executive Vice-Chairman of China Center for International Economic Exchanges Facing the greatest change in a century in the world， this book proposes how China， as "A New Type of Large Open Economy"， to deal with the complex and changing external situation， to maintain the multilateral trading system， and to promote open， inclusive， inclusive and balanced win-win economic globalization. The book proposes the careful analysis and policy recommendations for coordinating the two major domestic and foreign situations， forming the new drivers for comprehensively deepening reforms，this will play an important role in China's opening-up， deepening reforms and achieving high-quality development.