In the 1990s, history scholar Chen Yongfa made a fundamental study of the opium economy two decades before the founding of the CCP and completed a monograph, "Poppies under the Red Sun: The Opium Trade and the Yan'an Model". Since then, more and more research articles have been written on the subject, and new information has appeared. Subsequently, the phenomenon of the opium economy of the CCP's Yan'an regime has also became an important field of study.
Li Rui, who once served as Mao's secretary, is also an expert on Mao Zedong. Like his famous <i>Proceedings of the Lushan Conference</i>, this book is also an important historical work. It focuses on the author's personal experience of the Great Leap Forward initiated by Mao Zedong.
