Cerebral calcification in adolescents is mostly caused by encephalitis, brain parasitosis, hypoparathyroidism and other reasons. Cerebral calcification can be divided into physiological and pathologic, the appearance of both sides of the brain symmetrical calcification spots in older people may be physiological calcification, usually without any symptoms, regular follow-up can be. If calcification occurs on one side of the brain, encephalitis, brain parasitosis, cerebral hemorrhage, brain tumors and other diseases should be excluded. Cerebral calcification in young people is mostly pathologic calcification, and most of them have a clear cause, and the common causes are cerebral parasitosis, encephalitis, and hypoparathyroidism. Therefore, when young people have brain calcification, they need to go to regular hospitals in time to find out the cause and timely treatment under the guidance of physicians.