The wettability and adhesion of biological surfaces often depend on their periodically arranged hybrid micro–nano array structures. Various fabrication processes are designed to mimic biomimetic micro–nano array surfaces. This review summarizes the types of micro–nano array structures and analyzes fabrication methods based on top‐down and bottom‐up construction, including templating, etching, self‐assembly, and electrospinning/electrospraying. This review focuses on the shape reconfiguration of surface micro–nano array structures under physical stimuli, as well as the changes in material surface properties during the reconfiguration process. In addition, the applications of biomimetic micro–nano array composite surfaces in the fields of droplet transport, adhesion properties, sensors, and soft robotics are also discussed, and the current challenges and prospects in this field are identified.

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Soft electronics have attracted much attention due to their conformal flexibility with skin tissue. In this work, soft and stretchable conductive fabrics were prepared based on the interface design of a poly(styrene-ethylene/butylene-styrene) (SEBS) thermoplastic elastomer and silver nanowires (AgNWs). AgNWs with a diameter of 200 nm, high aspect ratio, and high conductivity were prepared by a polyol reduction method. The amphiphilic triblock copolymer poly(ethylene oxide)–poly(propylene oxide)–poly(ethylene oxide) (PEO-PPO-PEO) was used to improve the wettability of SEBS electrospun fibers. According to the solubility parameters, hot ethanol was chosen to post-treat the electrospun fabrics to induce the migration of the hydrophilic PEO blocks to the outer layer of the fibers so that dopamine was uniformly polymerized on the surface of the hydrophilic SEBS. AgNWs can uniformly and flexibly bind to the surface of SEBS@PDA fibers. Our study provides a simple and controllable approach to realizing stable large-strain soft stretchable electronics and exhibits great potential in human skin extension applications.