Abstract: Objective To expore the characteristics of hypertension in Miao and Han ethnic groups and its relationship with metabolism syndrome(MS).Methods Totally 1 102 inhabitants in Longlin county of Guangxi were selected and their height,weight,blood pressure,fasting blood-sugar(FBS),and blood fat were measured and compared to those of 2 068 Han inhabitants.Results Among the Miao people,the morbidity of hypertension was 15.06%(18.75% for male,8.94% for female) and that of among the Han was 23.5%(27.36% for male,16.49% for female).The morbidity of Miao was lower than that in the Han(P<0.01),and that of the male was higher than the female(P<0.01).The morbidity of MS in the Miao people was 11.62%(13.66% for male,8.21% for female) and the morbidity in the Han was 17.55%(28.11% for male,11.99% for female).The morbidity of MS in the Miao was lower than in the Han and the(P<0.05) male had a higher morbidity than the female(P<0.01).Compared with Han people,the Miao people had lower obese rate,lower levels of total cholesterol,triglyceride,low-density lipoprotein cholesterol,and fasting blood sugar and also the lower knowledge and treatment rate of hypertension(P<0.01 for all).Conclusion The morbidity of hypertension and MS in Miao inhabitants are lower than those in local Han inhabitants,so as their risk factors of chronic vascular disease,and the knowledge and treatment rate of hypertension are also low in the Miao inbibitants.