Sudden vertigo is the sudden onset of symptoms such as spinning in the sky and balance disturbance without any obvious trigger. Clinically, there are various causes of vertigo attacks, such as Meniere’s disease, otitis media, labyrinthitis, vestibular neuronitis, cerebral infarction, cerebral hemorrhage, heart disease, etc. If the patient presents with sudden vertigo without other discomfort, it may be due to diseases such as insufficient blood supply to the brain, Ménière’s disease, positional vertigo, epilepsy, hypotension, and blood disorders. If the patient presents with acute vertigo with nausea, vomiting, headache, etc., it may be due to sudden cerebral infarction, cerebral hemorrhage, vestibular neuritis, intracranial infection, motion sickness, heart disease, etc. In the meantime, patients are recommended to consult local hospitals as soon as possible to improve blood, urine and stool routine, liver and kidney function, electrocardiogram, vestibular function, brain CT, stigmata test, etc. to confirm the cause of vertigo attacks and to make treatment plans for the cause to avoid irreparable damage and to achieve early detection and treatment. To avoid damage, early detection and early treatment. Finally, patients with vertigo should pay attention to rest, avoid straining and develop good habits to avoid vertigo attacks.