The treatment of benign paroxysmal positional vertigo ( otolithiasis ) requires some clinical experience, but it is not as some patients imagine, all otoliths are cured by one outpatient reset. 4, sensitive reaction when resetting, more serious nausea and vomiting, and termination of treatment, so the author has reset as many as 10 times in the process of treatment. The author has seen such a patient, in a large hospital for many times, but failed to confirm the diagnosis, the patient raised his head, lowered his head, lying down, even when crossing the road left and right to turn his head to look at the passing cars will appear brief vertigo, it can be seen that the patient travel alone is extremely dangerous, the patient was transferred to our department for treatment, after examination, confirmed the diagnosis of otoliths, admitted to hospital, reset 8 times after the patient was cured and discharged.