Band-Aid is a new type of fast hemostatic and anti-inflammatory adhesive plaster, because of its exact efficacy, easy to use, first thought to be necessary for the family, but if it is seen as a panacea, no matter what trauma are used, not only the result will not get better results, but also may be the wound deterioration, bringing unnecessary pain to the patient. So, how to use band-aid correctly? First, to grasp the indications of the band-aid is mainly used for acute small wound bleeding, especially for neat incision, clean, superficial, small and do not need to suture the cutting wound. For deeper wounds, large blood vessels, nerve, tendon damage and suspected foreign body wounds, it can not be used, as for boils, burns, septic infection and various skin diseases, etc., are not suitable for use. Second, to carefully examine and clean the wound Some people use band-aids after the local septic infection, the important reason is not to check and clean the wound beforehand. Before using band-aids must first carefully check whether there is dirt in the wound, such as unclean things, need to use sterilized saline, clean the wound, wipe dry, coated with iodine glycerin, etc., and then in the paste on the band-aid. If the wound is cut by rusty things, it should be immediately injected with tetanus antitoxin (skin test negative), so as not to change tetanus disease. Sticker should be slightly pressurized to play the role of pressure to stop bleeding. Third, pay attention to wound changes after the use of band-aids, but also pay attention to the observation of wound changes, regular replacement, to prevent wound infection and septic. If the wound pain increases after 24 hours, or there is a secretion oozing, should be opened in time to check. If found to have redness, swelling, oozing and other infectious phenomena, should stop using, and promptly go to the regular hospital for treatment, in order to facilitate recovery. Four, careful protection of wounds using band-aids to pay attention to the protection of wounds. Less local activity of the wound, do not get wet, avoid pollution. Do not often pinch the wound with your hands, and strictly prevent squeezing the wound to avoid wound cracking.