Abstract: Objective To explore influence factors of hypertension among adults at age of ≥35 years in rural Yuhuan county of Zhejiang province,China.Methods A cross-sectional study was carried out as a baseline study for Rural Yuhuan Health Population Cohort in all 11 communities in Yuhuan county.A total of 125 479 residents aged 35 years or older participated in the study.Results Among the residents,the crude prevalence of hypertension was 29.1% and the age-standardized prevalence was 25.9% based on 2000 China national population.The risk factors of hypertension were older age(≥65 years),non-farmer,and alcohol drinking and the protective factors were female and with the education of primary school or junior middle school.Conclusion Hypertension was prevalent in the adults aged 35 years or older living in rural Yuhuan county and the influence factors of hypertension were gender,age,occupation,education and alcohol drinking.