Anal pain in the toilet after a caesarean section is caused by hemorrhoids and anal fissures. Due to the increase in the size of the uterus during pregnancy, it can compress the intestines and cause obstruction of the inferior vena cava reflux, leading to hemorrhoids, and also the phenomenon of constipation, which does not disappear immediately after the birth of a child, so the pain in the anus can occur when going to the toilet. If you have anal pain in the toilet, you can use potassium permanganate bath or soak with warm water, pay attention to keep the local cleanliness and hygiene, drink warm water in moderation, you can also eat the right amount of coarse fiber fruits, vegetables and so on, which is conducive to laxative and diarrhea, to relieve the symptoms of pain. You should pay attention to the habit of defecating on time, not because of the pain of the incision after the caesarean section, do not defecate on time, otherwise it will lead to constipation, aggravating the pain of the anus.