Mole is the most common kind of benign skin tumor in human beings, which is a skin manifestation caused by the increase of melanocytes in the epidermis and dermis. A mole on the anus does not mean anything special, at most it means that the mole is growing in a special place, because it is growing in a more private part like the anus. If the mole does not have any clinical symptoms and will not increase in size, it usually does not need to be treated, and attention should be paid to reducing friction and external factors that can damage the mole. Once this mole is found to be uncomfortable, such as painful, breaking and bleeding when the skin is raised high, it should be removed in time and the treatment should be thorough, otherwise the residual mole cells will easily cause recurrence.