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Before cleaning the wound, position the patient for the rescuer to operate.

If the surrounding skin is too dirty and mixed with mud, etc., it should be washed with water first, and then disinfected with 75% alcohol or 0.1% fresh cleaning solution (a common disinfectant) around the wounded surface. The skin around the wound surface should be disinfected from the inside to the outside, that is, starting from the edge of the wound, and gradually expanding the disinfection area to the surrounding area, so that the closer the wound is, the cleaner it is. If the skin around the wound is disinfected with iodine, it must be wiped off with alcohol. This “de-iodine” method is to prevent the iodine from burning the skin. It should be noted that these disinfectants are highly irritating and should not be applied directly to the wound.

The wound should be gently scrubbed with a cotton ball dipped in saline. Homemade physiological saline, that is, 1000 ml of cold boiled water and 9 grams of salt.

When cleaning and disinfecting wounds, if there are large and easy-to-remove foreign bodies, they can be removed as appropriate; deep and small foreign bodies that are difficult to remove should not be taken out reluctantly, so as not to bring bacteria into the wound or increase bleeding. If there is a foreign body pierced into the body cavity or near the blood vessel, it must not be removed lightly, so as not to damage the blood vessel or internal organs, causing danger, and there is no need to deal with it on the spot.

If you encounter some special serious wounds, such as prolapse of internal organs, you should not send them back to avoid serious infection or other accidents. In principle, it can be wrapped with a large sterilized gauze or clean cloth, and then the bowl or small basin that has been wiped with alcohol or boiled and sterilized is buckled on it, and wrapped with a belt or a triangular towel.