Small children grinding teeth may be teething, nervousness, malocclusion and other causes, can be treated through general treatment, psychological treatment and wearing braces and other methods of treatment. 1. Teething: small children grinding teeth may be teething on the gums caused by stimulation induced by itching symptoms caused by this time do not need special treatment, can be appropriate to give small children to eat some of the bite-resistant food, can relieve the symptoms. 2. Tension: small children grinding teeth may also be too much tension caused by this time should choose psychological treatment to eliminate tension, can also relieve the symptoms of teeth grinding. 3. Malocclusion: teeth grinding in small children can also be caused by malocclusion, which can be treated by wearing orthodontic braces. Children grinding teeth should go to the hospital in time, choose the appropriate method of treatment.