The reasons for anal bleeding in the same room are hemorrhoids, trauma, wrong sexual behavior, as follows: 1, hemorrhoids: internal hemorrhoids is bleeding, in the same room when the anus is squeezed locally, or force lead to local pressure increases, causing hemorrhoids bleeding, the normal use of medication can be relieved; 2, trauma: too much violence in the same room, the body position is not right or abnormal behavior lead to local injuries in the anus, caused by bleeding, belong to traumatic bleeding. If you have a problem with your anus, you can just treat it locally; 3. Wrong sexual behavior: Wrong sexual behavior, in the absence of adequate lubrication or too violent, is particularly likely to lead to local anal skin contusion or abrasion, resulting in bleeding. According to the specific circumstances, clinical manifestations, relevant examinations to determine the cause of the disease, not blind treatment, to go to the hospital in time for examination.