With the development of ultrasound, more and more fetal anomalies can be detected in antenatal period. However, the experience of prenatal diagnosis of fetal intracranial tumors is very limited because of the low incidence. The imaging appearances of various congenital intracranial tumors still overlap, and the final diagnosis still depends on the pathological examination. So far we have found few literatures about prenatal diagnosis of congenital intracranial tumors.