I grind my teeth very much at night. I don’t know what is the cause of this? The etiology of night grinding is complex, and can be caused by uneven bite, internal parasites, etc. It is currently considered to be related to a variety of factors such as mental, emotional, odontogenic, systemic, occupational, and spontaneous. It is recommended that you can first go to the dentistry department to have a night molar aligner. It can both immediately play a role in protecting the teeth and joints, and also has a certain therapeutic effect, especially for the night grinding caused by poor occlusion. Otherwise, further aggravation of tooth wear will result in severe hot and cold allergy symptoms, which will have a great impact on the patient’s eating, thus affecting the health condition. The cause of the problem can be carefully analyzed while making nocturnal orthodontic appliances to achieve symptomatic treatment. The following measures are available for reference: (1) Children are suspected of having intestinal parasites can try deworming treatment to reduce intestinal parasites peristalsis to stimulate the intestinal wall, deworming is recommended to be carried out under the guidance of a professional physician. (2) Develop good habits: especially for children, do not play strenuous sports before bedtime and avoid excessive excitement. Adults should be careful not to eat too much for dinner. (3) The high pace of modern life, while relieving work pressure to eliminate tension, if necessary, oral drugs such as Valium can be taken before bed. (4) If you have obvious dental misalignment, you should undergo standard orthodontic treatment. Also quit bad habits such as chewing unilaterally, biting pencils, etc. These are of direct help to reduce the symptoms of night grinding.