You can’t generalize about whether it’s better to wrap a wound or air it out. The specific situation should be decided according to the degree of the wound. Fresh wounds are recommended to be bandaged in time, which can prevent external pathogenic bacteria from infecting the wound, can play a protective role for the wound, and can promote the healing of the wound. In addition, for limb injuries or injuries with more bleeding, it is required to be bandaged. When the wound has entered the recovery period, and most of the wound has been healed mucosa has been repaired into epidermal tissue, this time can be left to dry, so that exposure to the air for rapid healing of the wound, but should maintain local cleanliness and hygiene. In addition, for the face and other injuries, can be exposed to treatment. If there is a wound on the skin, you should go to the hospital in time to find a doctor for appropriate sterilization, according to the specific degree of the wound, under the guidance of the doctor to decide whether it needs to be bandaged.