Abstract: Objective To evaluate the factors of high blood pressure level in children and adolescents and to provide evidence for hypertension prevention.Methods The subjects were selected from the children and adolescents aged 2-15 years in Suqian.High blood pressure level group and normal group were defined according to systolic blood pressure(SBP) and diastolic blood pressure (DBP).The investigation included a questionnaire survey and physical examination and information were collected on family history of hypertension,dietary habit,lifestyle,height,weight,glucose (Glu) and trigly ceride (TG).Results Sex,residence,overweight,high birth weight,familyh istory of hypertension,and Glu abnormality had statistical association with high blood pressure level(P < 0.05).Multiple logistic regression analysis showed that high blood pressure level had positive correlation with family history of hypertension and over weight.Conclusion There sults suggest that over weight,family history of hypertension,Gluabnormality are significantly associated with high blood pressure level in children and adolescents.