Children’s itchy buttocks at night may be due to poor cleaning, pinworms and other factors that lead to symptoms, you can take general treatment, medication and other ways to relieve. 1. Poor cleaning: children itchy buttocks at night, may be due to the perianal skin is not clean, resulting in residual excreta attached to the anus around the skin, stimulation of the skin, which in turn will cause itching symptoms. In this case, the symptoms can be relieved by cleaning the skin. 2. Pinworms: If a child suffers from pinworms, it may irritate the anal skin and cause perianal itching. For this problem, you can choose the right medication, such as albendazole and other medications, under the guidance of a professional physician and fully integrated with your personal situation, to improve the situation. In addition, it is important to note that if the symptoms of anal itching in children are too serious, it is necessary to seek medical treatment in a timely manner.