Baby anal itching may be perianal uncleanliness or the emergence of anal fissure, pinworms and so on. 1. Perianal uncleanness: If the baby’s perianal area is not cleaned in time after the bowel movement or the perianal area is not cleaned in place when bathing, it may lead to itching of the baby’s perianal area. 2. Anal fissure: if the baby is constipated for a long time, resulting in dry stools, the baby’s stools will break the anus during defecation, resulting in anal fissure. After the anal fissure, the stool will rub the wound, which will lead to localized itching. 3. pinworms: due to lack of attention to hygiene, resulting in parasitic infections caused by the disease, after the emergence of pinworms, the baby’s anus will have obvious itching. Baby anal itching may also have other reasons, it is recommended to timely consultation, give targeted treatment.