Whether or not cigarette ash can stop bleeding is not clinically recommended. There may be many folk remedies used to stop bleeding, such as soot or other substances, but these substances are bacterial and not sterile. If soot is used to stop bleeding, it may be possible to stop the bleeding, but it may also cause the wound to become infected and not heal. If you want to stop the bleeding, it is best to go to a regular hospital. If the general method cannot stop the bleeding, you can perform suture hemostasis, compression hemostasis, tourniquet hemostasis, etc. There are many methods to stop the bleeding. In short, hemostasis should be done through aseptic operation, so that it is conducive to the healing of the incision, it is not recommended to use soot to stop bleeding.