The Southern Song Dynasty was an important period for the artistic and typification of Chinese gardens, and the creation of Southern Song gardens has also become an important topic in the study of garden history. At that time, gardens, as a common place for people of different needs, cultures, and social classes, carried a dazzling array of garden activities and had a profound impact on the construction of gardens in the Southern Song Dynasty. This article focuses on the garden activities in Lin’an of the Southern Song Dynasty, excavates materials such as novels, paintings, poetry, and historical literature from the Southern Song Dynasty and its descendants, categorizes and discusses garden activities and corresponds them to specific locations, identifies the relationship between garden activities and creation, explores the impact of garden activities on garden creation techniques, functional layout, and artistic conception presentation, and finds that garden activities promote the development of gardening techniques such as mountain building, stone planting, and inscription, It has changed the design form of architectural form and spatial layout, while also extending the spatial artistic conception, allowing the activities of people from different social classes to be performed together in the garden, blending elegance and vulgarity. This article adopts an activity-based research method to explore garden construction, in order to have a more comprehensive understanding of the garden construction in Lin’an, Southern Song Dynasty.