Teeth grinding in bed at night can be treated with lifestyle modifications, occlusal interventions, medications, and the use of bite plates. Teeth grinding is a harmful non-physiologic tooth contact, the pathogenesis of which is unclear and may be related to psychiatric factors, temporomandibular joint disorders, and so on. 1. If teeth grinding is caused by adverse mental factors such as anxiety and tension, it can be relieved by lifestyle adjustments such as adequate rest, appropriate exercise and relaxation. 2. If teeth grinding is caused by misalignment of teeth, orthodontic treatment is needed to straighten the teeth. 3. For teeth grinding caused by unknown etiology, a bite plate can be worn to block or reduce the symptoms of teeth grinding. Specific treatments need to be timely medical treatment, diagnosed by the doctor to give treatment, the use of drugs need to follow the doctor’s instructions.