Dizziness when turning over from side to side is considered to be benign paroxysmal positional vertigo, which is a relatively common inner ear disease. The main reason is that the particles on the ellipsoidal saccule are dislodged and enter the semicircular canal, and when you turn over, the particles will move inside the semicircular canal, which will lead to balance dysfunction and cause transient dizziness, as well as nausea and vomiting. When the position is fixed, the particles will stop moving and the vertigo symptoms will disappear soon. Therefore, after the onset of vertigo, it is necessary to go to the ENT department, where a displacement test can be performed to clarify the location of the lesioned semicircular canal, and after that, a targeted treatment of manipulation can be performed. At present, the effect of the treatment is relatively good, and many patients will gradually improve after timely treatment.