本书稿限定的新中国成立初期，是指从1949年10月新中国成立至1956年底社会主义改造基本完成，即新民主主义社会向社会主义社会过渡时期。这一时期，延安地区在中共中央及地方各级党政组织的领导下，政权组织形式历经转折性的演变，社会建设取得了重大成就。

本书稿在资料印证的基础上对此时期延安地区社会历史的变迁尝试作全景式梳理。新中国成立初期，延安地区的社会转型存有人民民主专政初建的明显印记。土地改革、社会清查工作、抗美援朝等各项政治运动在延安地区普遍开展，农业互助合作运动以及社会主义改造得到特色性贯彻，以社会秩序保障为主体的社会治理成效明显，农业、工商业等经济建设也得到了发展，文化教育水平逐步提升，人民生活水平普遍提高。值得指出的是，这一时期，延安地区党的组织经历了新的社会环境考验，通过思想教育和组织整顿，党员工作作风得到进一步改善，顺利适应了新时代的政治要求。

The initial period of the founding of New China, as defined in this manuscript, refers to the period from the founding of New China in October 1949 to the basic completion of socialist transformation at the end of 1956, that is, the period of transition from a new democratic society to a socialist society. During this period, under the leadership of the CPC Central Committee and local party and government organizations at all levels, the organizational form of political power in Yan'an underwent a turning evolution, and major achievements were made in social construction. On the basis of the corroboration of the data, this manuscript attempts to make a panoramic combing of the changes in the social history of Yan'an during this period. In the early days of the founding of the People's Republic of China, the social transformation in Yan'an had obvious imprints of the initial establishment of the people's democratic dictatorship. Various political movements such as land reform, social inventory work, and the War to Resist US Aggression and Aid Korea have been widely carried out in Yan'an, the movement of mutual agricultural aid and cooperation and socialist transformation have been carried out with characteristics, the social governance with the guarantee of social order as the main body has achieved remarkable results, agriculture, industry and commerce and other economic construction have also been developed, the level of culture and education has been gradually improved, and the people's living standards have generally improved. It is worth pointing out that during this period, the party organizations in Yan'an experienced the test of a new social environment, and through ideological education and organizational rectification, the work style of party members was further improved, and they smoothly adapted to the political requirements of the new era.（AI翻译）