An electronic band-aid comprises a long-tubular casing, wherein a medicine outlet is formed in the bottom. The electronic band-aid is characterized in that a medicine tube is arranged in the casing and filled with a liquid band-aid, an infrared ray therapeutic apparatus is further arranged in the casing, and further, the liquid band-aid comprises polyvinyl acetal, ketone oil, chitin, ethanol, acetone, nano-silver, glycerol, dibutyl ester, peppermint oil, medical stone powder and distilled water. The electronic band-aid has the advantages that characteristics of low applicability and slow healing in a traditional wound treatment mode are changed, bacterial invasion is better prevented, the electronic band-aid is applicable to more wounds and a wider use range, and meanwhile, in combination of the infrared ray therapeutic apparatus, the wound can be stimulated to heal better and faster.