The Third Plenary Session of the 11th Communist Party of China (CPC) Central Committee, held from Dec 18 to 22, 1978, made a historic decision to shift the emphasis in the work of the Party and the country to economic construction and to carry out reform and opening-up. As a symbol of the CPC re-establishing the ideological, political and organizational line of Marxism, this plenary session served as a profound and significant transition in the history of the CPC since the founding of the People’s Republic of China, and the country has since embarked upon the great journey of reform and opening-up and socialist modernization.
1978年12月18日—22日，中共十一届三中全会举行。会议作出把党和国家工作中心转移到经济建设上来、实行改革开放的历史性决策。全会标志着中国共产党重新确立了马克思主义的思想路线、政治路线和组织路线，实现了新中国成立以来党的历史上具有深远意义的伟大转折，开启了我国改革开放和社会主义现代化的伟大征程。