It is said that “grinding teeth at night, belly worms crawl”, it is estimated that many parents will give their children to eat wormer because the baby sleep grinding teeth, but really eat the medicine is good? First of all, we still need to figure out the cause so that we can prescribe the right medicine! Many children grinding teeth may be hungry, may also be habitual to open the mouth to speak, but also to start practicing chewing, these factors are not excluded, Chinese medicine that children sleep grinding teeth mainly for the following reasons: 1, excessive mental excitement and tension excessive play before going to bed, too excited or fatigue, or frightened, anxiety and anxiety, or learning tension, so that the excitation and inhibition process of its cerebral cortex out of balance This induces a momentary irregular spasm or contraction in the movement of the masticatory muscles, resulting in nighttime teeth grinding. 2, nutritional imbalance Some children have the habit of picky eating, especially do not like to eat vegetables, the formation of nutritional imbalance, resulting in calcium, phosphorus, various vitamins and trace elements deficiency, causing involuntary contraction of the facial chewing muscle at night, the teeth will grind back and forth. 3, digestive disorders such as eating too much before bedtime, a large amount of food to fill the gastrointestinal tract and stimulate the digestive tract, the nerves to these stimuli to the brain, so that the management of digestive brain cells excited, through reflex action, causing teeth grinding. 4, intestinal parasitic disease roundworms like to move in the intestine after the child falls asleep, and secrete a variety of toxins. Toxins stimulate the intestinal tract, speeding up intestinal peristalsis, causing indigestion, pain around the umbilicus and sleep disturbance; if toxins stimulate the nerves, causing nerve excitement, resulting in teeth grinding. Similarly pinworms secrete toxins and cause anal itching, which affects the child’s sleep and makes teeth grinding sounds. 5, other dental dysplasia during the period of tooth replacement caused by dental occlusion disorders, chronic periodontitis, psychomotor epilepsy, hysteria, or dreaming and eating can cause night grinding.