Abstract: ObjectiveTo study the prevalence of chronic diseases and its influencing factors among the residents in Chaoyang district of Changchun city in 2012,and to provide theoretical basis for making prevention and control strategies.MethodsWith multistage stratified random cluster sampling method,747 residents aged 18 to 79 years were selected for a questionnaire survey and physical examination.Complex weighted computation was used in data analyses.ResultsThe prevalence of chronic diseases among the adults was 54.7%.The top five prevalent diseases were osteoarthrosis(17.0%),hypertension(13.4%),gastroenteritis(8.0%),diabetes(6.3%),and coronary heart disease(5.5%).The results of multivariate logisitic regression showed that the influence factors for osteoarthrosis were age,occupation and physical exercise;the influence factors of hypertension were age,occupation,physical exercise,and body mass index(BMI);the influence factor of gastroenteritis was income;the influence factors of diabetes were age and physical exercise and age and gender were the influence factors of coronary heart disease.ConclusionThe prevalence of chronic diseases among adults in Chaoyang district of Changchun city is at a high level.More attention should be paid to the chronic disease with high prevalence such as osteoarthrosis,hypertension,gastroenteritis,diabetes,and coronary heart disease.