Abstract: Objective To understand the distribution characteristics of cardiovascular disease risk factors among health examination population aged ≥ 40 years old in Haikou, so as to provide reference information for the prevention and treatment of cardiovascular disease in this area. Methods The demographic characteristics and cardiovascular disease risk factors （elevated blood pressure, elevated total cholesterol, elevated blood glucose, overweight or obesity, smoking, drinking, unhealthy diet and lack of physical exercise） of the population aged ≥ 40 years old in Haikou who underwent physical examination in a Hospital of Haikou from March to June 2021 were investigated, and the distribution characteristics of cardiovascular disease risk factors were analyzed. Results A total of 1 319 respondents were included, including 692 males and 627 females. Among them, 673 respondents had cardiovascular disease risk factors, accounting for 51.02%, there were 469 cases （69.69%） with one high-risk factor, 119 cases （17.68%） with two high-risk factors, and 85 cases （12.63%） with three or more high-risk factors. Male, 70-78 years old, villages and towns, junior high school and below, unemployed or retired people had a higher proportion of cardiovascular disease risk factors （P<0.05 or P<0.01）. There were 97 cases （14.41%） had elevated blood pressure, 92 cases （13.67%） had elevated total cholesterol, 82 cases （12.18%） had elevated blood glucose, 120 cases （17.83%） had overweight or obesity, 136 cases （20.21%） had smoking, 158 cases （23.48%） had drinking, 109 cases （16.20%） had unhealthy diet, and 197 cases （29.27%） lacked physical exercise. Conclusion The risk factors of cardiovascular disease among health examination population aged ≥ 40 years old in Haikou are widespread, the aggregation of different factors show in some populations.

Key words: Cardiovascular disease, Risk factor, High-risk population