Tibetan architecture has its own law in terms of the color composition of the single building, a group of buildings and settlement buildings, which is one of main reasons for displaying the unique style of Tibetan building and its special regional landscape environment. This paper analyzes the composition of the architectural color system of Tibetan rural settlement based on the research on a traditional Tibetan village named Ci Jiaolin. The study reveals the law of the system composition of Tibetan architectural color and the reasons for forming Tibetan regional landscape color.