Objective:To observe the effect of Tianma Gouteng Decoction(TMGTD)on the blood pressure and catecholamine level in blood of SHR and change of metabolites in urine. To investigate its mechanism of reducing blood pressure. Method:10 normal rats were as the control group. 20 male SHR rats were divided into SHR control group and TMGTD group. Blood pressure was measured by tail artery pulsation method. The change of catecholamines in every group rat serum was detected before and after treatment. The metabolites ...