Sometimes feel uncomfortable in the anus, there are many common reasons, as follows: first, if the patient has difficulty in defecation, defecation is not smooth, sometimes fecal discharge is blocked will lead to anal swelling discomfort, so that the anus has an uncomfortable feeling. If the patient previous anal surgery, there may be anal stenosis, in defecation with force anal sphincter muscle contraction, which will produce perianal pain, swelling discomfort. Second, if the patient is older, the body nutrition is relatively low, there may be anal sphincter relaxation, resulting in fecal incontinence, general feces and mucus easily from the anus to stimulate the perianal skin, thus causing anal discomfort. Third, if there is perianal eczema, fungal infection, sometimes the perianal area can be seen radiating cracks, in addition to the feeling of pain, sometimes mucus secretions stimulate the skin will also have an itchy feeling. Therefore, there are many causes of anal discomfort, you should go to the hospital in time to see the diagnosis, if necessary, rectal fingerprinting to clarify the diagnosis.