The main reason for the formation of perianal abscess and external hemorrhoids is the acute purulent infection at the end of the rectum, which leads to the leakage of pus from the anus and the formation of abscesses and lumps around the anus. The main reason for the formation of external hemorrhoids is the occurrence of varicose veins around the anus, leading to thrombosis or venous blood clots around the anus. 2. The performance symptoms of perianal abscesses and external hemorrhoids are different. The two are also different in terms of treatment methods, as perianal abscesses need to be treated by surgical incision and drainage, while external hemorrhoids can be treated by conservative methods such as applying hemorrhoid cream and warm water sitz bath.