Tooth grinding at night is a dysfunction of the central system via the cerebral cortex jaw running period of some brain cells abnormal excitation, resulting in dysfunction. The following treatments can be carried out: 1, avoid playing games and watching movies before going to bed, listen to more soothing music, relieve emotional stress, relax and ensure sleep treatment; 2, carry out oral examination, and in case of occlusal disorders such as early contact or coincidental interference can be adjusted to eliminate the causative factors; 3, the patient can carry out orthodontic treatment when the whole mouth is severely crowded, resulting in temporomandibular joint disorder, to relieve the symptoms; 4, if multiple tooth surfaces have been abraded, it is possible to make wearable pads to interrupt the habit of tooth grinding and reduce the degree of tooth abrasion.