This paper aims to explore the rational lighting planning method along urban coastal buildings and thereby improve the urban night light environment. In combination with relevant cases, it pointed out the main existing problems in the night lighting along coastal buildings, extracted the core design elements of lighting along coastal buildings and analyzed their impact on the night scene. Pursuant to the principle of light sensitivity characteristics of the human eye and the knowledge of architecture,the planning design was formulated from three aspects: brightness ratio, color temperature and...