Symptoms of vestibular dysfunction include vertigo, balance dysfunction and nystagmus. 1. Vertigo: as the main manifestation, there is often a sudden onset of vertigo, self-consciousness of visual rotation, inability to open the eyes, nystagmus, no loss of consciousness, sometimes accompanied by nausea, vomiting, cold sweating, pallor, panic, a feeling of heaviness in the head, etc., and vertigo is aggravated by activities, and occasionally there is a headache; repeated severe vertigo may be cognitive deficits. 2. Balance dysfunction: unsteadiness when walking, self-consciousness, lack of strength, tilting to one side, easy to fall if not walking straight, when accompanied by vertigo, it is more difficult to stand up normally. 3. Nystagmus: Vestibular peripheral nystagmus is a nystagmus caused by the dysfunction of vestibular apparatus and vestibular nerve. When the above symptoms occur, it is recommended to consult a regular hospital in time for clear diagnosis and further treatment.