Differential diagnosis of vertigo in Chinese medicine is mainly distinguished from the following diseases: 1.Differentiation from stroke: stroke is commonly manifested by sudden fainting, unconsciousness, hemiplegia or with aphasia, speech and so on. Epilepsy is commonly known as amniotic or sheep epilepsy. The manifestation is sudden fainting, unconsciousness, eyes do not see, foaming at the mouth, limbs may appear twitching, spasms, accompanied by strange screams, dizziness may appear to fall, but not accompanied by strange screams in the mouth, limbs twitching or foaming at the mouth situation.