Abstract: The sex hormone influence on construction reconstituent and vitodynamics characteristic had attracted great attention for domestic and foreign researchers.This article will summarize recent research status and progress in construction reconstituent,vitodynamics characteristic of intracal artery and sex hormone's influence on them,so as to offer entialy scientific evidence of exploring cerebrovascular diseases' etiopathogenesis and new treatment plan.

Key words: sex hormone, intracal artery, vitodynamics