Small children grinding teeth can be analyzed from mental factors, disease factors and other aspects, but the specific situation should also go to the hospital in time for examination and confirmation. 1. mental factors: if the child’s mental overstress, depression, excessive pressure, will make the child sleep with certain obstacles, not solid, will lead to the symptoms of small children grinding teeth. 2. disease factors: if the child suffers from periodontitis, gingivitis, indigestion, roundworms and other diseases. 2. Disease factors: If the child suffers from periodontitis, gingivitis, indigestion, ascariasis, and lack of calcium in the body and other factors, will lead to the symptoms of children grinding teeth. Caused by a small child grinding more reasons, when the symptoms, it is recommended to go to the hospital in time for examination, clear causes, early targeted treatment, to prevent the child’s teeth from being damaged.