文中讨论了在基础滑移隔震体系中复位弹簧应满足的基本要求,给出了两种常用弹簧的刚度计算公式。此外,文中还利用已有的实验结果,对理论公式进行了检验。文中提供的计算公式可以应用子隔震建筑复位弹簧的设计. In this paper, the basic requirements that the return spring should meet in the basic sliding isolation system are discussed, and the formulas for calculating the stiffness of two commonly used springs are given. In addition, the paper also uses the existing experimental results to test the theoretical formula. The calculation formula provided in this article can be applied to the design of sub-isolated building return springs.