Grinding teeth at night, that is, nocturnal teeth grinding, is caused by a multifactorial, symptomatic treatment can wear jaw pads, causative treatment can take medication targeted treatment of the disease. 1. Symptomatic treatment. Night grinding is caused by muscle over-excitement, you can take local physical therapy or muscle relaxant to make the muscle relaxation, make jaw cushion to reduce muscle tension, reduce or stop teeth grinding. 2. Treatment of cause. Night grinding may be due to mental tension or oral diseases, daytime stress, mental anxiety, need to regulate the psychological state, if necessary, psychological counseling or take diazepam and other medications, oral malocclusion need orthodontic alignment of the teeth, teeth missing for a long time need to be prosthetic restoration, to restore normal occlusal function. It is recommended that patients who grind their teeth at night go to the hospital in time to check the cause of the disease, under the guidance of the physician targeted medication.