Benign paroxysmal positional vertigo is a transient episode of vertigo induced by head movement to a specific position and is a common peripheral vestibular disorder with a self-limiting nature. It can be primary or secondary. The typical symptom is paroxysmal vertigo with nystagmus caused by rapid head movement to a certain position, which occurs in most patients when sitting up, lying down, turning over, leaning forward or leaning back. Horizontal semicircular canal BPPV; 3. Superior semicircular canal BPPV; 4. Mixed type; the above four types can develop unilaterally or bilaterally. Treatment is divided into: non-surgical treatment: general treatment: 1. psychological treatment: many patients are prone to panic and anxiety due to repeated attacks of vertigo, so patient explanation should be given during treatment that the disease can be cured and the prognosis is good to eliminate the patient’s psychological burden. 2.Avoid taking the position that induces vertigo. 3.Medication: For the treatment of benign paroxysmal positional vertigo, medication can be used, but it should not be the first choice. Anti-vertigo drugs can be used as appropriate to reduce the excitability of vestibular nerve, so as to reduce vertigo and relieve autonomic symptoms such as nausea and vomiting as soon as possible. Commonly used drugs include intravenous sodium bicarbonate, calcium antagonists such as Cipro, anticholinergic drugs such as cerebrolysine, antihistamines, dopamine receptor antagonists, benzodiazepines, histamine-like drugs such as Minzhenglang (betahistine mesylate) and Chinese herbal medicine. Otolith repositioning method (Epley otolith repositioning method, Semont tube stone release method, etc.).