On the occasion of the 70th anniversary of the peaceful liberation of Tibet, the book reviews the historical process, showcases great achievements, and presents the new socialist Tibet in a comprehensive and three-dimensional manner. It mainly includes Tibet before the peaceful liberation, the realization of peaceful liberation, the historical leap of the social system, the accelerated development of various undertakings, the overall victory in poverty alleviation, the protection and development of excellent traditional culture, the remarkable achievements in ethnic and religious work, and the increasingly solid and firm ecological security barrier. Maintenance of national unity and social stability, new era and new journey, etc.