四、身体各部位伤口的包扎包扎在急救中应用广泛，其主要目的是压迫止血，保护伤口，固定敷料，减少污染，固定骨折与关节，减少疼痛。常用的材料有三角巾、多头带、绷带，亦可用毛巾。手绢＼布单、衣物等替代。包扎时要注意以下几点：（）迅速暴露伤口并检查，采用急救措施； Fourth, the body parts of the wound dressing bandage widely used in emergency, its main purpose is to oppress hemostasis, wound protection, dressing, reduce pollution, fixation of fractures and joints, reduce pain. Commonly used materials are triangular towels, long belts, bandages, towels can also be used. Handkerchief Cloth, clothing and other alternatives. When dressing should pay attention to the following points: () rapid exposure to the wound and check, the use of first aid measures;