Sleeping love wrong teeth is also referred to as teeth grinding, the etiologic mechanism of teeth grinding is still inconclusive, may be related to mental factors, neurological factors, occlusal factors. Teeth grinding refers to people in the non-physiological state of masticatory muscles produce involuntary contraction, so that the upper and lower teeth produce teeth clenching or grinding, and then interrupt the normal physiological rest position of the jaw phenomenon. 1. When the patient is in long-term mental tension, anxiety, stress or frustration and other emotions may cause teeth grinding. 2. Teeth grinding may be related to central nervous system dysfunction, such as epilepsy, Parkinson’s disease and schizophrenia and other neurological and psychiatric disorders may cause teeth grinding. 3. Occlusal disorders are one of the main factors leading to the development of teeth grinding. Occlusal disharmony caused by any reason will cause excessive attention of patients with neurosensitivity, thus leading to teeth grinding. It is recommended that when the patient sleeps with the symptoms of teeth grinding, you can first adjust your work and rest as well as adjust your mental state, if you can’t relieve it, you can go to the hospital to clarify the cause of the disease, and under the guidance of the doctor for treatment.