The present invention provides a traditional Chinese medicine preparation for lowering blood pressure. The preparation is prepared from following raw materials in parts by weight: 15-20 parts of pseudo-ginseng, 30-50 parts of liquidambar formosana roots, 15-25 parts of canavalia gladiata roots, 8-12 parts of rhizoma alismatis, 3-5 parts of smalleaf desmodium roots, 5-10 parts of dried rehamnnia root, 6-8 parts of saussurea involucrata, 2-5 parts of Chinese magnoliavine fruits, 3-6 parts of spina date seeds, 3-5 parts of lily bulbs, 10-15 parts of hemsleya macrosperma tubers and 4-12 parts of radix polygalae. The described traditional Chinese medicine preparation has effects of calming liver wind, alleviating peripheral arteriolar spasm, increasing blood vessel vitality, dredging microcirculation, enhancing immunity and preventing various complications of hypertension, can significantly improve physical condition of patients, uses pressure lowering as a main means, and is small in sideeffects, cheap in price, easy to obtain, and remarkable in treatment effects.