The design principles of applicability, economy, green and beauty for the landscape bridges are analyzed. The common design methods of strengthening the structural design of bridge, paying attention to the architectural culture design of bridge, focusing the environmental factors of bridge and integrating with the environment for the landscape bridges are summarized. Finally, through the scheme conception and design process of an engineering case - Jiangyin Huabei Road Bridge, the specific application of design methods in the actual design of landscape bridge is expounded.