Abstract:As an philosophical concept,“Tongle”has an important impact on the organizational method transformation of landscape activities, the construction and prosperity of public gardens, the openness development of private gardens, the inheritance of folk customs, and the implementation of political ideas. This paper takes Tongleyuan as the breakthrough point to analyze the performance of“Tongle”in the gardens during the Ming and Qing Dynasties. According to the specific examples and landscape activities of the past dynasties, this paper explores the imagery source, evolution, and related activity mechanism of“Tongle”. To a certain extent, the imagery of“Tongle”promotes the integration of literati, royal nobles, ordinary people in the garden environment. These three clues develop in parallel and influence each other. The creation of landscape space, the symbol abstractionof Qushui Liushang, the expression of text makes the imagery of“Tongle”realize continuation in classical gardens. The study of "Tongle" imagery provides an effective reference for today's urban cultural landscape construction.