A unique tortoise pattern in Boao architecture is very particular. The building is completely based on the shape of a bionic turtle, with the glans facing the sea, limbs, tail, shell, skirt and so on. , are both form and spirit. Analyze with the concept of architectural geomantic omen, just like a turtle going into the sea. This design concept not only stems from the style of ancient geomantic architecture, but also pays attention to the coordination and unity of form and image, and contains far-reaching oriental culture.