Aim To assess the current epidemic characterization of prehypertension and risk factors among rural male adult groups in Liaoning province,and to provide scientific basis for preventing hypertension and cardiovascular disease in the rural area for government.Methods Resident(≥5 years) group of 15 122 male people aged more than 35 years old were collected with a multi-stage,stratified clustering sampling scheme in seven small towns of Fuxin county of Liaoning province,China.The blood pressure measurement and correlated risk factors were investigated by trained doctors.Results The prevalence rate of prehypertension for male people aged more than 35 years old in rural of Liaoning was 51.2%,and the prevalence rate of hypertension was 35.8%.With the age increasing,the prevalence rate of prehypertension was obviously down and the prevalence rate of hypertension was up.Multivariable logistic regression revealed overweight and obesity,Mongolian and drinking status were risk factors associated with prehypertension.Conclusions The prevalence of prehypertension of Liaoning rural male adult people is dramatically high;it associated with many risk factors.Comprehensive lifestyle modifications such as weight loss,limitation of alcohol intake to decrease the incidence of prehypertension should be taken,so as to prevent these people from hypertension and cerebrovascular disease.