Objective To investigate the changes and clinical significance of hemorrheology and platelet parameters examination in patients with hypertension. Methods Hemorrheology and platelet parameters were detected in 78 patients with hypertension and in 72 healthy subjects as control group. Then difference were compared. Results The hemorrheology and platelet parameters in he patients with hypertension at stage Ⅰ were no different in comparison with the control group(all P＞0.05) ,which at stage Ⅱ and Ⅲ were significantly different in comparison with stage Ⅰ and the control group ( all P ＜ 0. 05). and at stage Ⅲ were significantly different in comparison with stage Ⅱ(all P＜0.05). Conclusion The changes ofhemorheology and platelet parameters were closely related with hypertension,which were helpful to the clinical diagnosis of hypertension and had important significance to the therapy, monitor and prognosis of hypertension.