There are more causes of vertigo and nausea, the most common ones: i. Benign paroxysmal positional vertigo, which is a kind of vertigo associated with position change. It appears every time when changing position and gradually relieves after lying down and resting, and the time usually does not exceed one minute, and a positive position change test can confirm the diagnosis. Second, Meniere’s disease, can suddenly appear vertigo, nausea, vomiting, mostly combined with tinnitus, ear stuffiness and fluctuating hearing loss. The diagnosis can be made by doing early electroaudiometry, which indicates low frequency decline. Third, vestibular neuronitis, patients mostly have a history of cold, sudden onset, vertigo, nausea, vomiting, unstable walking, physical examination can be found to have spontaneous nystagmus, vestibular function examination suggests low vestibular function on one side. If cranial MRI is done to exclude acute cerebral infarction, vestibular neuronitis can be considered. There are other rare causes, such as vestibular migraine, sudden deafness with vertigo, etc., which can present with vertigo, nausea and vomiting, and the diagnosis can be confirmed by perfect examination.