Baby’s itchy buttocks may be a symptom of pediatric disease, the growth of child care is a problem that parents can not ignore, the baby is young, so in the care of the baby’s buttocks more attention, sometimes the baby’s buttocks itch this can not be ignored, the following is the possible causes of the baby’s itchy buttocks. 1, itching around the anus or perineum produced by pinworms and mechanical stimulation of toxic substances, especially at night, affecting sleep, children cry and restless. Due to the itchy scratching, it causes skin peeling, congestion, rash and eczema around the anus. It may even induce septic infection. 2, mental symptoms Due to the metabolites excreted by the parasite in the body, it leads to mental excitement, insomnia and restlessness, and children’s night terrors such as biting fingers. Heterophilic symptoms in children are most common in patients with pinworm disease, such as addiction to clods, cinders, salt, etc. 3, gastrointestinal symptoms pinworms bore into the intestinal mucosa, as well as mechanical or chemical stimulation in the gastrointestinal tract can cause loss of appetite, nausea, vomiting, abdominal pain, diarrhea and other symptoms. 4, other symptoms: caused by ectopic parasitism of pinworms, such as: vaginitis, tubitis, endometritis, etc. Can also invade the appendix to occur appendicitis, and even stop the occurrence of peritonitis, etc., are the symptoms of pediatric anal itching performance.