This book advocates: To promote the transformation of China's economy into high-quality development, we must not only grasp the changing trends and historical opportunities of the domestic and international environment, but also vigorously promote the old and new kinetic energy conversion. So we must work hard for better quality, higher efficiency, and more robust drivers of economic growth through reform, to raise total factor productivity through striving for more robust drivers, then promote and achieve reforms of quality and efficiency. This book has important reference value for China's new era to promote reform and opening up, and it is worthy of attention to the readers who study and reference of China's reform and opening up.