Children’s anus red itch may be perianal infection, eczema or parasitic diseases and other causes, according to the cause of the corresponding treatment. 1. Perianal infection: due to perianal hygiene problems and pathogen invasion caused by infection, first of all, we should keep the perianal hygiene clean, and then you can use cephalosporin, metronidazole, ofloxacin and other antibiotics for treatment. 2. Eczema: perianal eczema will appear different degrees of skin lesions, can use zinc oxide ointment for external use. 3. Parasitic disease: intestinal parasitic infections, such as roundworms, hookworms, etc., you can follow the doctor’s instructions to use anthelmintic drugs for deworming, such as albendazole, mebendazole and other drugs. It is recommended to consult a pediatric hospital to be evaluated by a specialist and given intervention treatment.