The ultrasonic diagnostic equipment for ophthalmology includes conventional ultrasonography,high-frequency ultrasonography,ultrasound biomicroscopy and Color-Doppler ultrasonography,which is of great significance for the diagnosis and differential diagnosis of various ophthalmic diseases.The progress of ultrasound diagnosis,especially the application of high-frequency ultrasonography and Color-Doppler ultrasonography in ophthalmology has promoted the progress of diagnosis of optic disc edema,cranial hypertension,carotid cavernous fistula,ocular ischemia syndrome and giant cell arteritis and other complex neurological ophthalmic diseases.