The first press conference was held in the News Center of the Twentieth National Congress of the Communist Party of China on the morning of the 17th. Zhao Chenxin, a member of the Party Leadership Group and Deputy Director of the National Development and Reform Commission, Cong Liang, a member of the Party Leadership Group of the National Development and Reform Commission, a secretary of the Party Leadership Group and director of the State Food and Materials Reserve Bureau, and Ren Jingdong, a member of the Party Leadership Group and deputy director of the National Energy Administration, introduced to Chinese and foreign journalists the implementation of new development concepts, the construction of new development patterns, and the promotion of high-quality development, He answered questions from reporters about comprehensively promoting the great rejuvenation of the Chinese nation with Chinese style modernization. Zhao Chenxin introduced that since the 18th National Congress of the Communist Party of China, China's economic and social development has made historic achievements and undergone historic changes. From 2012 to 2021, China's GDP will increase from 53.9 trillion yuan to 114.4 trillion yuan, the proportion of China's economy in the world economy will increase from 11.3% to 18.5%, and China's per capita GDP will increase from 39800 yuan to 81000 yuan. He said that China's historic leap in economic strength and extraordinary and extraordinary achievements in economic construction were achieved against the backdrop of severe and complex international situations and various major risks and challenges. At present, our country has successfully achieved the first centenary goal, and is moving on a new journey towards the second centenary goal. We are closer, more confident, and more capable of achieving the goal of the great rejuvenation of the Chinese nation than at any time in history. We should firmly hold the initiative of food security. Food security is the "largest country". When answering whether China can secure its own jobs, Cong Liang said that China's food security capability has continued to improve. Since 2015, the grain output has remained above 1.3 trillion kg for seven consecutive years. In 2021, the per capita grain output will be 483.5 kg. Even without considering the supplement of imports and abundant stocks, only the per capita grain output has exceeded the internationally recognized food security line of 400 kg; 900 million mu of high standard farmland has been built, and improved varieties of grain crops have been basically covered; The grain circulation remained efficient and smooth, and the national standard warehouse had a good storage capacity of 700 million tons; Food emergency security has become more effective. There are 6000 grain emergency processing enterprises, 53000 emergency supply outlets, and 4199 emergency storage and transportation enterprises, capable of responding to various major natural disasters and public emergencies. "In the future, we have the foundation, conditions, ability and confidence to firmly control food security