The author's classification of vascular malformations in the central nervous system is presented approved by neurosurgeons, pathologists and in forensic medicine. The description of the cavernous angiomas pathology is given showing possibility of their radical surgery. The notion of micro-malformation is formulated. The pathogenetic concept of Sturge-Weber disease with recommendations for the clinics is given. The author's model of the malformation morphogenesis in the vessels of the central nervous system is presented and the ways for the decrease in the incidence of these malformations are indicated.