To discuss the clinical effect of Middle-Tonifying Qi-Replenishing method in treating aged patients with essential hypertension and qi deficiency.Methods:A total of 80 aged patients with essential hypertension with qi deficiency from June 2015 to June 2016 in the Department of Cardiology of Fushun Hospital of Traditional Chinese Medicine were randomly divided into experimental group and control group.The 40 cases in the control group were treated with conventional methods of oral beta blocker method,the experimental group′s 40 patients were treated with Middle-Tonifying Qi-Replenishing method on the basic of control group′s treatment.The blood pressure,symptoms curative effect,brachial ankle pulse wave velocity（baPWV）and Ankle brachial index(ABI) changes were observed in the two groups.Results:The values of the blood pressure,symptoms curative effect,baPWV and ABI of the experimental group were significantly better than the control group (P<0.05).Conclusion:It is safe and effective to treat patients with essential hypertension with Middle-Tonifying Qi-Replenishing Decoction,which is worthy of clinical practice.