Abstract:Modern Protestant architectures is an important part of Gulangyu World Cultural Heritage. With the opening of Xiamen and Gulangyu, Western Christianity was introduced to the island, and built schools, hospitals, churches, so the modern education and medical care were established. Gulangyu is even the starting point of the dissemination of modern Protestantism in Minnan. Currently, a large number of church architectures sites in Gulangyu, which regarded as the branch of Western architectures. Actually, the spatial distribution and development of this architectures form their own system, therefore it is worth of further study.