Objective To observe the therapeutic effects of Zuoguishuangjiang Formula (ZGSJF) on hypertension complicated from type 2 diabetes. Methods 60 patients with this disease were randomly divided into ZGSJF group and controlling one. Then, the changes of associated indexes and total effective rates were compared between the two groups following the treatment. Results The total effective rate of treating group with ZGSJF was significantly higher than that in controlling one, with significantly improved scores of symptoms, the level of blood sugar, HbAlc and hematopiesis. Conclusion ZGSJF is effecti...