When anal fissure doesn’t hurt but there is blood, it may be due to the fact that the ulcer surface is propped up and enlarged during defecation, and the blood vessels in the wound rupture, resulting in bleeding, which can be treated by topical medication, surgery and so on. Anal fissure refers to an ulcer formed after the skin layer of the anal canal splits, and pain, constipation and bleeding are the typical symptoms. When anal fissure patients defecate, the ulcer surface is opened and enlarged, and the blood vessels in the wound surface rupture, resulting in bleeding, the finer blood vessels tend to bleed for a shorter period of time, and if the ruptured blood vessels are thicker, then the amount of bleeding is larger, and the bleeding time is longer, therefore, after the pain of anal fissure disappears, there will also be bleeding symptoms. Anal fissure does not hurt but there is blood, it is recommended to follow the doctor’s instructions to use drugs to stop bleeding for treatment, such as can be used externally ma yinglong musk hemorrhoid ointment, Yunnan Baiyao hemorrhoid ointment, etc., the effect of conservative treatment is not good, you can find the bleeding point under disinfection and anesthesia, the use of high-frequency scalpel cauterization hemostasis, or through the ligation line suture, ligation hemostasis, and so on. If the anal fissure doesn’t hurt anymore but there is blood, it is recommended to go to the hospital in time for consultation and reasonable medication and standardized treatment according to the doctor’s guidance.