A little bit of blood on the spanking paper means that the bleeding is relatively small and there is only a slight localized breakage. The main causes of the corresponding condition are hemorrhoids, anal fissures, intestinal polyps, and damage to the perianal mucosa. 1. hemorrhoids: hemorrhoids appear broken will lead to a small amount of bleeding, there will be blood stains in the wiping process. 2. Anal fissure: damage to the skin of the anal canal leads to capillary rupture, which can also cause corresponding changes after defecation. 3. Intestinal polyps: Intestinal polyps can be scratched by intestinal contents, causing bleeding during defecation and blood stains during wiping. 4. Perianal mucosal injury: mainly due to local mucosal injury caused by small capillary rupture, in the wiping process will lead to blood stains. In addition, such as intestinal vascular malformation, tumors and so on will cause corresponding changes, and should pay attention to observation and timely treatment after discovery. After defecation, blood stains appear during wiping process, and with the aggravation of bleeding, you need to consult a doctor in time, under the guidance of the clinician to give standardized treatment.