The causes include: the cause of the otolith itself, the vestibular function has not been restored, the recurrence of otolithiasis, etc. The main reason is that some of the broken particles are still present in the otolith after reset. 1. The cause of otolith itself: most patients with otolithosis can relieve vertigo after reset, but some patients still have a certain degree of vertigo, which is mainly due to the fact that there are still some small particles suspended in the lumen of the canal after reset of the otolith, which can stimulate the equilibrium receptors in the ellipsoidal capsule, so it can be seen that there is still vertigo after reset of the otolith. 2. Vestibular function has not been restored: some patients in the onset of vestibular function is damaged, even if the otolith reset success, its function has not been fully restored, so it can be seen after the reset of otoliths will also be vertigo phenomenon. 3. Recurrence of otoliths: this disease is a recurrent disease, in the short term after the reset, because the otoliths are still floating in the labyrinth of the inner ear, it is possible to enter the semicircular canals again to cause recurrence, so it can be seen that vertigo after the reset of otoliths. To summarize, otolith reset may still cause vertigo, it is recommended that when the above situation occurs, timely consultation, identify the cause of the disease to be actively treated.