Abstract:The interplay between man and environment in Haikou under the agricultural wisdom resulted in the construction of cultural landscape of Xinjiugou. With the continuous artificial improvement in unique natural environment and resources, the form and development process of Xinjiugou cultural landscapes reflect the traditional Chinese ideas of “harmony between man and nature”, which has important social and historical value. In this paper, Wei Zhiyi and the ancient water conservancy system, Qiu Jun and the ancient snake bridge, the Yuan Dynasty Sacrifice Monument, ancient villages, and intangible culture are described, and their uniqueness is summed up in three perspectives of spatial pattern, water conservation development, and multi-cultural integration, all of which reflect the important cultural landscape value of Xinjiugou with distinct Hainan regional characteristics.