Medical bandages are usually tied in a circular fashion. Usually people first disinfect and clean the wound, apply ointment, fix the medication and then open the bandage, first of all, put the bandage around the arm in a circle, slightly inclined a little bit, the position needs to be roughly inclined 40 degrees. The second circle, you need to follow the first circle slant out of the angle of pressure, make it as beautiful as possible, and then continuous compression of the injured part, continue to let the bandage around the limb tied four to five times, each circle needs to cover about one-third of the previous circle, so that the bandage in turn wrapped around the range of the auxiliary material beyond the edge of the wound, so that the wound can be better fixed. Finally, cut off the excess bandage, and then use medical tape to paste fixed, you can also directly cut the end of the bandage from the center of the longitudinal knot, so that the bandage is perfectly tied. It is recommended that patients under the guidance of a doctor to correctly bandage, the occurrence of adverse reactions should be timely to the hospital for treatment.