Dizziness or vertigo with headache is one of the most common complaints in neuroscience and otolaryngology. Clinically, patients involved in dizziness or vertigo and headache cross symptoms have been diagnosed with vestibular migraine, migraine-related vertigo, migraine-related vestibulopathy, migraine vertigo, etc. with the development and progress of the discipline. This is not only a crossover between 2 symptoms, but also between 2 disciplines. Vision, vestibular sensation and proprioception work together to maintain the balance of the body. The vestibular peripheral stimulation signal may interact with the related pathways of headache in the process of transmitting to the center through the vestibular sensory pathway. Under the pathological state, it may cause dizziness or vertigo combined with headache. Clinically, it may be a "one-yuan" disease or a "two-yuan" disease comorbidity, so there is controversy and concern. In 2012, the Chinese Journal of Neurology organized young doctors to debate whether patients with migraine combined with vertigo should be diagnosed as vestibular migraine or migraine vertigo[1]; Internationally, the Barany Society, an international authority in the field of vestibulology research (named in honor of Barany, an Austrian scholar who won the Nobel Prize in Medicine or Physiology in 1914 for his vestibulology research) and the International Headache Society (IHS) jointly explored and developed the diagnostic criteria for vestibular migraine, which was published in the Journal of Vestibular Research in 2012[2]。 Interpretation of this diagnostic criterion, and understanding the characteristics and research progress of related dizziness or vertigo diseases for differential diagnosis will help us to diagnose and differentiate diseases related to dizziness or vertigo and headache in clinic.