Children sleeping with teeth grinding, may be conscious or unconscious, in the clinic is known as teeth grinding disorder, consider and teeth are not aligned, mental tension and excitement, sleep posture is not correct, and other reasons, but also may be parasitic infections, vitamin deficiencies and other factors lead to. First, non-disease factors: 1, teeth are not aligned: such as the growth of permanent teeth during tooth replacement, or tooth replacement after the growth of teeth is not aligned, too long or missing, occlusal abnormalities, wrong (dentition) and so on will lead to the mouth can not be closed properly, sleep will appear unconscious teeth grinding behavior; 2, mental tension and excitement: such as life, learning stress, mental long-term in a state of tension, mental can not be relaxed, before going to sleep, overly worried about, Anxiety and other reasons, can lead to children appear teeth grinding symptoms; 3, sleep posture is not correct: such as sleeping on the side, lying on the side of the facial organs are compressed, resulting in discomfort will also appear teeth grinding symptoms, but usually change the posture after the symptoms can disappear; 4, other: feeding, eating too many meals and other situations, into the gastrointestinal tract of food and bloating and other situations, affecting the sleep and the appearance of teeth grinding, the children eat after eating Try not to go directly to sleep, can be slightly active for a while. Second, disease factors: 1, parasitic infection: intestinal parasitic infection, especially roundworm infection, children will also appear teeth grinding phenomenon. Should go to the hospital as soon as possible, under the guidance of the doctor to use albendazole tablets, mebendazole tablets and other drugs, deworming treatment; 2, vitamin deficiency: such as the lack of vitamin D when the child will cause teeth grinding. Should be as soon as possible to the evening blood routine and other checks, and under the guidance of the doctor in a timely manner to supplement vitamin D; 3, other: some children with epilepsy, Parkinson’s and other central nervous system diseases will also appear to frequent teeth grinding, but in addition to this there will be an indistinguishable spasms, twitching, and other symptoms, and therefore not the first to consider. If teeth grinding is frequent, parents are advised to take their children to the hospital for a formal examination to clarify the cause of teeth grinding so that targeted treatment can be carried out.