Yongding Hakka earth buildings are immature-soil buildings and spread all over the district, which are inscribed as exceptional examples of a building tradition by its profound humanities connotation and unique modeling function. Tulou Architecture contains the idea of the unity of nature and man, which exemplifies a particular type of communal living, defensive organization, and advocating culture and education. The architectural craftsmanship of Tulou is exquisite, and the planning and construction are elegant. Being situated near to hills or beside rivers, Tulou is an outstanding example of human settlement, in terms of their reasonable layout and harmonious relationship with the environment. The earth buildings have various structures, rich and orderly interior space, and superb decoration technology. The architectural craftsmanship of Tulou is a vivid expression of Hakka architectural culture, which inherits the ancient native building skills of the Central Plains, retains a large number of excellent architectural traditions, and becomes a living fossil in the research of ancient architectural skills.