Drops of fresh blood after anal fissure, generally for the anal canal skin layer after cracking bleeding performance, at this time you can see drops of fresh blood. Anal fissure is a small ulcer formed after cracking the skin layer of the anal canal below the dentate line, which often causes severe pain in the perianal area when it occurs, and it can occur in the case of prolonged constipation, diarrhea, and mechanical injuries, etc. Because the back wall of the anal canal is subject to great pressure, anal fissure is the most likely to occur in the posterior median line. Damage to the skin layer of the anal canal in the case of anal fissure can cause perianal subcutaneous blood vessels to rupture, which can be seen in the form of drops of blood, such as the appearance of a drop by drop, heavy bleeding is less common. After diagnosis of anal fissure, it can be treated by moistening the stool, improving constipation and sitting bath, if the non-surgical treatment is ineffective and the prolonged anal fissure and the symptom is more serious, give the surgical treatment in time, according to the specific conditions of the implementation of the doctor’s orders.