Abstract:"Lakeside garden" represents a kind of traditional urban landscape paradigm dominated by hydrology. Choosing jiaxing Yanyu pavilion as the research object, from the perspective of the landscape construction of urban planning, through combing the literature and historical images, get Yanyu pavilion landscape rheological process and origin of scenic spots, and from the macro, meso and micro level summary Yanyu pavilion’s urban landscape construction mechanism: driven by water construction, farming, local identity to build "garden-city" scenery; to be a scenic spot because of the water, borrow water to create a "garden-lake" scenery; the "garden-water" scenery is created by climbing to borrow the scenery, adding the scenery around the pool and enriching the scenery with culture. In addition, the case of Yanyu Building is used to supplement the theoretical study of "Lakeside garden", aiming to provide reference for the traditional urban landscape construction dominated by hydrology.