The grinding of teeth at night can be caused by a variety of reasons, may be a normal physiological phenomenon, in the process of growth and development of the child can often appear grinding phenomenon, as long as there is no obvious discomfort symptoms do not need to be dealt with; may also be due to parasites caused by the need to take the child to the pediatrician, stool routine and other tests to make it clear. If the symptoms are caused by parasites, you need to choose the deworming drugs for treatment; the occurrence of nighttime teeth grinding, there may be children in the daytime or bedtime when the nerves are too excited and cause, pay attention to calm the child’s mood so that its spirit to relax, to avoid the emergence of the situation of bedtime excitement.