MRI of the brain can detect many types of brain diseases, including the following: 1) cranial tumors, including glioblastoma, astrocytoma, ventricular meningioma, pineal tumor, brain metastases, etc.; 2) inflammation of the brain, including abscesses of the brain, various types of encephalitis, parasitic diseases of the brain, etc.; 3) cerebrovascular diseases, including cerebral infarction, cerebral hemorrhage, smog, cerebral arteriovenous malformation, etc.; 4) diagnosis of various types of traumatic brain injuries; 5) diagnosis of brain degenerative diseases and cerebral white matter disease.