Toothpaste has no hemostatic effect. Toothpaste is a mixture, the main ingredients of toothpaste include rubbing agents, such as calcium carbonate, calcium bicarbonate, etc., and also include moisturizers and surfactants, sweeteners, etc. These ingredients have no hemostatic effect, so toothpaste cannot stop bleeding. Some toothpaste may add drugs, may add chlorophyll and Chinese medicine, may have a moderating effect on gingivitis, gum bleeding, etc., but can not use toothpaste to stop bleeding. Some people think that toothpaste can stop bleeding after trauma, there is no scientific reason, and it may cause bacterial infection of the wound or skin allergy. If the wound is bleeding, try not to use toothpaste to stop the bleeding, when the wound bleeds, you can use gauze compression to stop the bleeding, or use drugs such as Yunnan Baiyao powder to stop the bleeding, the wound should be thoroughly disinfected with iodophor and wrapped with gauze.