English：

With the diversification of modern architectural design, special-shaped free hyperbolic hasbeen widely used in iconic buildings due to its unique shape and function. At the same time, special-shaped free hyperbolic surfaces put forward new requirements for construction. In this paper, taking theeast side of special-shaped free hyperbolic terraces in the skirt building of the Tower C of the ShenzhenBay Super Headquarters Base as an example, a new type of special-shaped free hyperbolic formworkconstruction technology is systematically introduced to replace the customized formwork, so as to achievethe purpose of reducing the cost of the construction of the special-shaped structure and guaranteeing thequality of the appearance.