"Records of the Emperor Xuanzong of the Qing Dynasty" is a long chronological historical record of the reign of Emperor Daoguang (Aixinjueluo Minning) officially compiled by the Qing Dynasty. It has extremely high historical value. In June of the 30th year of Daoguang reign, Emperor Xianfeng ordered the opening of a library for compilation and revision. University scholars Wenqing and Huashana were appointed as presidents, and the book was completed in November of the 6th year of Xianfeng (1856). It records the historical events from the July of the 25th year of Jiaqing (1820) when Emperor Daoguang ascended the throne to the death of Emperor Daoguang in the first month of the 30th year of Jiaqing (1850). There are 476 volumes in total, plus the first volume (including preface to the text, compilation of general rules, table of contents, list of recorded records, compilation of officials, etc.). It comprehensively records the major events of the Daoguang Dynasty in politics, economy, military, diplomacy, culture and other fields. It is the core original document for studying the history of the middle and late Qing Dynasty, especially key events such as the Opium War, the suppression of opium in Humen, and the signing of the Treaty of Nanjing.