If the anus bleeds when you urinate, it is highly likely that the lower rectal mucosa is eroded, which causes bleeding. You can try to stop the bleeding by incorporating hemorrhoid cream, or hemorrhoid suppositories into the anus. If the hemostasis is not effective, you can instead use saline plus Yunnan Baiyao powder injected into the anus can also help to stop the bleeding. Try to eat a lighter diet, avoid spicy and fried foods, and avoid alcohol, which can make the stools thinner and softer. If the stool is dry and hard, it can scratch the mucosa of the lower rectum, which can cause recurrent bleeding. Constipation also requires oral medication for laxative purposes. For example, oral pills such as Marenthood Pills or Sophora Pills are used to laxate the bowels. If the symptoms of blood in the stool are still recurring through dietary modification, oral medication for laxative, combined with the incorporation of drugs inside the anus to stop bleeding and other treatment options, it is recommended to go to the hospital to find a professional anorectal department for treatment.