A wound from a saw should be promptly flushed with saline and the artery closest to the wound should be quickly compressed to stop the bleeding, and prompt medical attention should be sought according to the situation. Generally saws and other metal objects with rust or oil, the patient needs to promptly treat the wound, you can use water or saline to clean the wound. For the wound is relatively large, especially bleeding is more serious, should be given in time to stop bleeding. The most common way to stop bleeding is compression hemostasis, i.e. using the other hand to compress the artery closest to the wound. If the wound is shallow, the bleeding is small, and the wound is not obviously contaminated, it can be simply treated and observed on its own. If the wound is obviously contaminated, the wound is deeper, or effective hemostasis is not possible, the patient should go to the hospital in time and seek the physician’s help to give standardized treatments such as debridement, hemostasis, suture, tetanus injection, and so on. In addition, if the patient is injured by the saw to the aorta, life-threatening, should be timely use of clean gauze or towels to compress the proximal end of the aorta, and quickly call 120 for help. If you are sawed to the wound by the saw, you should go to the hospital in time according to the situation, and you need to follow the doctor’s instructions for better treatment.