Patients who get dizzy when they sit up but are fine when they lie down are often considered to have otoliths, also called benign paroxysmal positional vertigo. When the otolith is associated with a change in the patient’s head position, the patient may experience spinning symptoms, and it is often considered that the otolith has dislodged and irritated the patient’s semicircular canal. In terms of treatment, patients are advised to take oral flunarizine hydrochloride capsules to improve their vertigo, and if necessary, they can go to the hospital for intramuscular injection of promethazine hydrochloride. The main treatment is to perform a postural evocation test in the ENT department to clarify which semicircular canal is causing the problem. The patient’s vertigo will be significantly improved after the reset. Patients should avoid shaking their heads hard and should not be afraid if they have vertigo, and the condition will improve with active treatment.