This book makes a systematic study of the history, current situation and trend of China's food security and the global food security. COVID-19 has triggered a world food crisis. Understanding the history, current situation and trend of China's and global food security is conducive to the rational arrangement of agricultural production, food storage, scheduling and import by management departments; it is conducive to the understanding of the situation of food supply and demand; it is conducive to the rational arrangement of production and operation planning. This book systematically studies...