Dizziness may be caused by benign paroxysmal positional vertigo, vestibular neuritis, Meniere’s disease, and cervical spondylosis. 1. Benign paroxysmal positional vertigo: The cause of benign paroxysmal positional vertigo is still unclear, and it is considered to be related to head trauma, viral neuritis and other factors. When the patient’s head position changes, rotational vertigo, nausea and vomiting may occur, so that the patient will have a very dizzy feeling of rotation. 2. Vestibular neuritis: the cause of vestibular neuritis is not yet clear, and it is considered to be related to vascular disease, viral infection, bacterial infection, diabetes and other reasons. Patients may manifest vertigo, nystagmus, fever, etc., so patients may manifest as very dizzy and feel dizzy. 3. Ménière’s disease: the cause of Ménière’s disease is not yet clear, it may be caused by autonomic dysfunction, heredity, endolymphatic absorption disorder. Patients will have sudden vertigo, hearing loss, tinnitus and other symptoms, so patients will appear very dizzy and feel dizzy. 4. Other: patients with dizziness feel dizzy, but also consider the cervical spondylosis, transient ischemic attack and other diseases. There are many reasons for the dizziness, so it is recommended to consult a doctor in time to identify the cause and follow the doctor’s instructions to choose targeted measures for treatment.