The more common causes of anal itching in children are parasitic diseases and anal fissures. Parasitic diseases caused by itching mainly pinworm disease, children itching parents can see in the anus localized very small white worms, treatment can be oral intestinal worms Qing deworming treatment. Anal fissure can also lead to children’s anal itching, many children have constipation, dry stools, and have bad bowel habits, etc., will lead to anal fissure. The fissure of anal fissure has localized exudation, and the exudate irritates the skin around the anus leading to itching. Children with anal fissure skin itching, usually should pay attention to light diet, eat more vegetables and fruits, drink more water, and develop good bowel habits. Pay attention to the anus to clean, local anal fissure fissure can be used externally erythromycin ointment or Baiduobang ointment.