Children sleep grinding teeth is very loud and powerful, may be physiological factors, nutritional element deficiency and other pathological factors lead to, can be treated by medication, wake up during sleep stimulation and the use of occlusal plate and other methods of treatment. 1. Physiological factors: mental excitement, nervousness, anxiety or overwork during the day, study pressure, etc., can lead to some small children sleep grinding teeth at night. Usually, no special treatment is needed, and the problem can be relieved after adjusting the mindset and relieving pressure. 2. Nutritional element deficiency: children can take vitamin B, vitamin D and other drugs under the guidance of the doctor to improve the quality of sleep can reduce the central excitability of the brain, to a certain extent to relieve the symptoms of teeth grinding. Children sleep grinding teeth is very loud and powerful, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment. All of the above medications should be used under the guidance of a doctor.