Babies with pinworms in the anus will manifest as anal itching, localized skin breakdown, sleep disturbance, lack of appetite, abdominal pain and so on. 1. Anal itching: Because pinworms can stimulate the skin around the anus, resulting in intense anal itching, and itching is often aggravated at night, prompting the child to scratch the anal skin. 2. Local skin damage: due to the pinworms cause local itching, the child scratching, the skin at the anus can appear scratches, may also appear broken. 3. Disturbed sleep: Because of the heavy anal itching at night, it will affect the child’s sleep, resulting in shallow sleep, frequent night waking, and may also be accompanied by symptoms of teeth grinding during sleep. 4. Lack of appetite: manifested as a lack of desire to eat, may be related to pinworm parasitism in the intestinal tract. 5. Abdominal pain: due to the stimulation of pinworms in the intestinal tract, lower abdominal pain may be manifested, and younger children may be emotionally irritable, crying and restlessness. If children have the above symptoms, it is recommended to consult a doctor in time, after a clear diagnosis and regular treatment.