To evaluate the effect of Chinese herbal medicine on blood pressure in pre-hypertensive cases.Methods:Domestic and international databases were searched for relevant randomized controlled trials(RCTs)which investigated the effect of Chinese herbal medicine on blood pressure in pre-hypertensive cases.Heterogeneity of cross-studies was assessed，using I2All meta-analyses were conducted through RevMan 520Results:Eight RCTs involving 1005 subjects were selected.Meta-analysis demonstrated that the test group reduces the level of both systolic blood pressure(WMD:-365； 95%CI：-535～-194；P<001，I2:87%)and diastolic blood pressure(WMD:-258； 95%CI：-430～-086；P<001； I2:93%），compared with the control group.The difference was statistically significant.Conclusion:Basing on lifestyle intervention，Chinese herbal medicine helped reducing the level of blood pressure.