The recreational shoes with changeable surface both has two basic functions: practicability and Esthetic Approach. Practicability is the hypothesis of the changeable surface design. Esthetic approach and changeability functions are important extended function to changeable shoes surface design. The surface and base of the shoes could be disassembled. The design of inosculation shoes is one set of shoes base with several changeable different surfaces. Different surfaces could be applied individually to random outfits. Besides, the shoes base was been made from corn, a kind of environment-friendly material.