Although insurance has the effect of stopping bleeding, it also depends on the amount of bleeding and the site of bleeding. How long it takes to be effective, in fact, one hour after taking it should take effect, whether the blood can be completely stopped, mainly depends on the site of bleeding, the size of the ruptured blood vessels, etc.. It is also known as a life-saving drug. It is a new preparation made by modern technology of Yunnan Baiyao, which is mainly used for treating pain and can be effective after 10 minutes. In addition, it is not too effective in stopping bleeding. Of course, it has the effect of stopping bleeding, but how long it takes to stop it depends on the site of bleeding and the amount of bleeding. If the amount of bleeding is very large, it may not be possible to stop it completely with this medicine alone, and surgery is needed.