Most elderly people experience vertigo at one time or another. Vertigo is a dizziness or blackness in front of the eyes; dizziness is a feeling that the body or external objects are rotating and swaying, making it unstable to stand. The two are often seen together, so they are collectively called vertigo. What tests should be done then? 1.Cerebrospinal fluid protein characterization; 2.Cerebrospinal fluid arginine pressin; 3.Cerebrospinal fluid cysticercosis indirect hemagglutination test; 4.Urine cadmium; 5.Position change test; 6.Cranial CT examination; 7.Body center of gravity balance meter; 8.Frenzel’s ophthalmoscopy method; 9.Naked eye examination method; 10.Electrooculography tracing method.