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This invention discloses a method for parametric design of biomimetic scaffolds based on three-period minimal curved surfaces, relating to the field of biomimetic bone scaffold technology. The specific method involves selecting Gyroid(G) units in the TPMS structure within a three-period minimal curved surface structure. A bias function is designed to cause the porosity of the novel porous structure to increase incrementally along the radial direction from both the edge and center. Subsequently, the novel porous structure is imported into mechanical simulation software for mechanical performance testing, and the compression deformation behavior of each model is observed. This invention improves upon the use of general uniform porous structures as biomimetic bone scaffolds, considering the actual stress conditions of the femur during daily human activities, including not only compressive loads but also shear forces, and is applicable to all types of TPMS structures.