There is an over two-century development course of greenways since the first one came into being. As one major chain in ecological network, the construction of greenways has drawn wide attention around the world. This paper connects the basic elements of synethesia with fundermentals of greenway design, with a focus on the comfortable and joyful experience of the users. The author strives to figure out the ways to combine greenway construction and synesthesia from multiple perspectives and multiple levels to propose a creative approach to future greenway design in China.