Abstract: Objective To describe physical activity level and its potential influential factors among residents in Jilin province and to provide a basis for health management in different populations.Methods With multi-stage randomized sampling,a questionnaire survey was conducted among 2 996 residents aged older than 18 years in five national disease surveillance points(Nanguan district of Changchun city,Dehui city,Fengman district of Jilin city,Longjing city,and Ji'an city).Results Among the participants of the survey,38.9%were vigorously active and 34.7%were physically active,with a physical inactivity prevalence of 26.4%.Multivariate logistic regression analyses showed that residents living in urban area,working in government agency or organization,public institutions,being technical professional or student were risk factors of physical inactivity;at the age of 25 to 64 years,with the education of primary school and above,unemployed,engaged in housework,and being a retiree were protective factors of physical inactivity among the participants.Conclusion The proportion of lack of physical activity is high among urban residents working in government agency or organization,public institution,being technical professional or student;intervention measures are warranted among the populations in Jilin province.