The cause of hypertension is due to imbalance of ying and yang in human body , causing disorder of qi and blood , abnormal blood circulation and all can be pointed to the cause of blood stasis .Therefore hypertension is divided into five syndrome patterns of blood stasis such as blood stasis and stagnation of liver qi whose treatment prescription is “decreasing hypertension No .1” which aims at activating blood , dissipating blood stasis , and smoothing liver qi .Two hundred patients were included in the treatment group , and 200 patients were put in the observation group .The total effective rate of lowering blood pressure in treatment group was 96.85%, total syn-drome effective rate was 93.50%.The total effective rate of lowering blood pressure in control group was 87.70%, total syndrome effec-tive rate was 89.50%.There were better results in the treatment group .Besides, the lab results of microcirculation of bulbar conjuncti-vae, lipemia, hemorheology, plasma, endothelin-1 and serum-nitrogen were all improved after treatment , and more obvious changes were seen in treatment group .It showed that the method of activating blood and dissipating blood stasis to treat hypertension not only supports the theoretical evidence , but also manifests practical significance .Compared with conventional therapies , this method decreases blood pressure obviously with satisfactory , stable and persistent therapeutic effect , which is worth general application .%高血压病的发生，乃由于人体脏腑阴阳失调，导致气血紊乱，血液运行失常，血行瘀滞所致。因此，将高血压病分为血瘀-肝气郁结等5个证型，分别拟定具有活血化瘀，疏肝理气作用的降压I号等5个协定处方进行治疗，共观察治疗200例，并设对照组对照观察200例，结果治疗组降压总有效率为96.85％，证侯疗效总有效率为为93.50％，对照组降压总有效率为87.0％，证侯疗效总有效率为89.5％，治疗组明显优于对照组。同时，两组之球结膜微循环、血脂、血液流变学、血浆内皮素-1及血清一氧化氮等指标治疗后皆有明显变化，但治疗组改变显著。初步说明活血化瘀治疗高血压病不仅有理论依据，而且有一定的实践意义，与常用治法相比，具有降压明显、证侯疗效好、疗效稳定持久等特点，显示了活血化瘀治疗高血压病的优势，故活血化瘀是治疗高血压病的重要方法，值得重视和进一步探讨。
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