Grinding of teeth at night is related to physical factors such as mental excitement and overwork, and does not require special treatment. Also consider with roundworm disease, epilepsy, etc., can follow the doctor’s instructions with medication. 1. Physiological factors: mental excitement, nervousness, anxiety or overwork during the day, study pressure, etc., can lead to some children grinding their teeth at night. Usually, no special treatment is needed, and it can be relieved after adjusting the mind and relieving pressure. 2. Ascariasis: Ascariasis can cause some children to grind their teeth at night. Children can follow the doctor’s instructions to take albendazole and other anthelmintic drugs treatment, can effectively relieve the symptoms of teeth grinding, nausea and vomiting. 3. Epilepsy: Epilepsy can cause central nervous system dysfunction, inducing some children to grind their teeth at night. Usually can follow the doctor’s instructions with levetiracetam and other antiepileptic drugs, seizures can not be forced to press the child’s limbs. Children’s teeth grinding at night is also related to heredity, periodontitis, calcium deficiency, gastrointestinal dysfunction and so on. It is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment. All of the above medications should be used under the guidance of a doctor.