Abstract:The Liushu Palace was the largest royal palace in the history of the Qing Dynasty in Tianjin. It was built in the thirtieth year of the Qianlong reign and died out in the twenty-sixth year of the Daoguang reign, lasting eighty-one years. In this study, the location of its base, the history of its construction and demise, and its functional characteristics are studied in some depth through a large number of historical documents, such as "Changlu Yanfa Zhi", "Tianjin County New Zhi (Republic of China)", "Jinmen Baojia Tu", and "Qianlong Imperial Poetry Collection". From the rise and fall of the Liushu Palace to explore the causes and impact mechanisms after its evolution, arguing that the Liushu Palace was not only a place for the emperor to visit and rest, but also a medium for the Qing dynasty to maintain the stability of the local political situation and the relationship between the salt merchants. The garden started in its heyday and died in its decline. This may be the law of the historical development of Chinese gardens for more than two thousand years.