Female patients in the postpartum anal itch, is due to the following reasons: first, perianal pruritus, considered a variety of causes of surgical diseases, if the treatment is not timely enough or improper treatment, after a long period of scratching will make the skin rough and thickened, resulting in anal chafing, and even infections. Secondly, eczema around the anus is considered to appear in the skin around the anus, only a few will spread to the perineum, when eczema occurs, the affected skin is often in a moist state, and many small papules, small blisters and papules will be formed. Thirdly, intestinal parasites, such as roundworms and pinworms, will make the anus itchy. To summarize, the causes of postpartum anal itching need to be diagnosed before treatment, or the itching may occur due to unclean anal hygiene.