Children eight years old like to laugh and shake their heads, need to be combined with the child’s other symptoms for a comprehensive analysis, some children with the above symptoms may be related to calcium deficiency, Tourette’s syndrome and other disease factors. Children eight years old more like to laugh and shake their heads, if the life of intellectual development as well as independence are relatively good, most of the phenomenon is normal; on the contrary, if the child not only like to shake their heads and laugh, but also accompanied by squeezing eyebrows, shrugging shoulders and other symptoms, may be related to Tourette’s Syndrome. In addition, if the child, in addition to the above symptoms, accompanied by excessive sweating, occipital baldness, night terrors, etc., may also be related to calcium deficiency. When children like to laugh and shake their heads, and accompanied by other abnormal symptoms, parents are advised to take their children to the hospital in time for relevant examinations, to clarify the cause of the disease and then actively treat the symptoms.