Baby sleep grinding teeth, pay attention to whether the oral and dental development problems, baby psychological problems, etc. 1, the baby has recent psychological changes, such as frightened, the main caregiver changes, family environment changes, etc., will cause the baby’s psychological and emotional changes, performance night grinding teeth. 3, dinner is too full, eat too late, so that by bedtime the gastrointestinal tract can not yet fully rest, chewing muscles will also be involved, resulting in children grinding teeth and other symptoms. 4, too excited before bedtime, will make the nervous system too excited, and the symptoms of grinding teeth in sleep. 5, baby teeth development problems, bite relationship is not good, will also appear grinding teeth and so on. In short, if the child once the symptoms of grinding teeth in sleep at night, we must consider all factors, if occasionally once or twice because of the child’s diet and too excited before bedtime, this is not necessary to worry too much. If this situation often occurs, it is recommended to pay enough attention to go to the hospital to receive timely examination and treatment, do not take it lightly.