Digital skins have attracted vital analysis pursuits in biomedical engineering discipline together with wearable units, synthetic prostheses, software program robots, and many others. Nevertheless, the combination of digital skins for rehabilitation train stays unexplored. Right here, we suggest a novel conductive composite structural coloration hydrogels as robotic knuckle rehabilitation pores and skin. We discovered that the composite construction has apparent coloration variation and electromechanical properties throughout the bending course of. Subsequently, this movie is used as a multi sign response digital pores and skin to attain real-time coloration sensing and electrical response, in addition to the human knuckle rehabilitation robotic. These outcomes indicated that the composite structural coloration hydrogels are precious for a lot of sensible biomedical rehabilitations response digital pores and skin to attain real-time coloration sensing and electrical response, in addition to the human knuckle rehabilitation robotic.