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Research into flexible energy‐storage devices with high energy density and superior mechanical performance has aroused considerable interest for the development of flexible electronics. Numerous new materials and strategies have been developed to obtain soft, safe, and high‐performance flexible electrodes, which are essential components of flexible energy storage devices. The common preparation methods and fabrication techniques of flexible electrode are summarized, including their mechanisms, operations, advantages and disadvantages, applicable conditions, and suitable materials. The electrode materials are also briefly discussed according to their characteristics and morphologies, and suggestions on the method preferred for different materials are given. Perspectives on the development of flexible‐electrode fabrication are also given. [ABSTRACT FROM AUTHOR]