If the patient has dry stool to form anal fissures, sometimes it also leads to anal canal skin fissures, which can also cause anal pain, the pain is mainly due to spasm and contraction of the internal anal sphincter.3. If the patient drinks alcohol and eats a lot of chili for a long time, it can lead to anal gland infection and thus the formation of perianal abscess, which can also cause perianal pain. So there are many reasons for anal pain, hemorrhoids if local formation of blood clots will also lead to pain, but there may be perianal abscesses or other diseases.