Objective To study Chinese medical pattern regularity of hypertension. Methods Frequency statistic method was used to analyze articles on clinical study of Chinese medicine for hypertension in Beijing from 1996 to 2005

aiming at pattern distribution and symptomatic characteristics. Results The pattern sequence related to case frequency was: ascendant hyperactivity of liver yang

phlegm turbidity harassing the upper body

stasis obstructing the network vessels of the brain

liver depression qi stagnation and liver-kidney yin defficiency; the sequence related to pattern frequency was: ascendant hyperactivity of liver yang

phlegm turbidity harassing the upper body

liver-kidney yin defficiency

intense liver fire and dual deficiency of yin-yang. The symptom sequence was: dizziness

headache

tinnitus

deafness

insomnia and palpitation. Common tongue was red

dark or pale with a slimy

white or yellow fur

while pulse was stringlike

fine

slippery or rapid. Conclusion Common patterns of hypertension are yin deficiency

yang hyperactivity

phlegm-damp and blood stasis. Cephalic and cervical symptoms are cardinal

then mental.