Interwoven by the light and shadow, the city at night presents a distinct image to the daytime city. In the urban landscape lighting design, the use of colored light infuses vitality to the city on the one hand; on the other hand it also gives rise to some problems such as the image of bizarre urban landscape caused by indiscriminative use of colored light and excessive use of colored light. This paper attempts to seek the methods of colored light design for urban landscape. And it’s expected to provide a new way for making a better image of the city.