Children’s throat clearing may be related to environmental factors, or it may be caused by chronic pharyngitis and tics. 1. Environmental factors: If the air in a child’s environment is too dry, coupled with the child’s daily water intake is too low, resulting in a dry and itchy throat, the phenomenon of throat clearing may be manifested. 2. Chronic pharyngitis: if the child suffers from chronic pharyngitis, due to the presence of chronic inflammatory reaction in the throat area, under the stimulating effect of inflammation, resulting in dry and itchy throat, pain, may show the symptoms of throat clearing, may also be accompanied by nausea, dry vomiting and other manifestations. 3. Tourette’s syndrome: the disease belongs to the tic disorder disease, the typical symptoms of the child for the involuntary, repeated episodes of multiple parts of the motor tics, which may make the child show the symptoms of throat clearing, may also be accompanied by frequent blinking, shrugging, nodding and other symptoms. Clearing of the throat in children may also be caused by other reasons. If the symptoms persist and cannot be relieved, the child should consult a doctor as soon as possible to confirm the causative factors and then give targeted treatment.