The vestibular system plays an important role in maintaining the body’s balance and keeping the vision clear. Disorders of the vestibular system can cause the body to have clinical symptoms such as vertigo, abnormal posture and balance disorders. At present, there are more vestibular function tests and they are more complicated, mainly including the following: 1, nystagmus observation: to determine whether the body has spontaneous nystagmus. 2.Translocation test: It is to determine whether the organism has otolith dislodgement ectopic and other central diseases. During this procedure, the person being examined may experience vertigo, nausea and other symptoms, but they will disappear after the examination. 3. Nystagmography: Hot and cold air or water is instilled into the external ear canal to observe the symmetry and strength of the body’s response. The hot and cold stimulation test is usually used to determine the low-frequency stimulation perception ability of the peripheral vestibular organs of the body. 4.Static and dynamic balance table examination: the examined person should stand on a movable or static board, and the balance ability of the body is tested according to the tilt of the patient’s body. There are other tests such as head flip test, balance chair, posture tracing, etc. What specific tests need to be done, or the doctor needs to choose the appropriate test according to the condition, so as to achieve the target and avoid increasing pain and economic expenses.