To investigate therapeutic effects of Yangxue Qingnao Granule on cognitive function for senile patients with mild vascular cognitive impairment and hypertension. Methods:Seventy cases were randomly divided into treatment group (Yangxue Qingnao Granule plus basic treatment, in a regimen 4.0g tid for 16 weeks) and control group (basic treatment only).Score all patients according to MMSE systems before and after treatment.Results:Compared with the control group, the treatment group responded well to the granule in terms of memory, attention and calculation function (P<0.05), and decreased significantly as for level of systolic blood pressure. Conclusion:Yangxue Qingnao Granule significantly improved memory, attention and calculation function for patients with mild vascular cognitive impairment accompanied by hypertension.