Abstract: Objective To investigate and analyze the compliance of healthy dietary behavior and its influencing factors in patients with coronary heart disease （CHD） in Shangqiu City. Methods Patients diagnosed with CHD in Shangqiu City from June 2019 to May 2022 were selected for a face-to-face questionnaire survey on compliance of healthy dietary behavior and its influencing factors. The descriptive epidemiological analysis method was used to analyze the results, and univariate and multivariate analysis methods were used to analyze the influencing factors of healthy dietary behavior compliance. Results A total of 1 384 CHD patients were enrolled, and the score of healthy dietary behavior compliance was （55.95 ± 11.82）, among which the scoring rate of cooking and eating habits was the highest, and the scoring rate of fruit and vegetable eating behavior was the lowest. The results of multiple linear regression analysis showed that gender （β'=0.122）, age （β'=0.131）, BMI （β'=-0.215）, education level （β'=0.073）, occupation （β'=0.081）, household disposable income （β'=0.072）, the severity of disease （β'=0.055）, and underlying diseases （β'=0.128） were influencing factors of healthy dietary behavior compliance of CHD patients in Shangqiu City. Conclusions The compliance of healthy dietary behavior of CHD patients in Shangqiu City is low, which is affected by many factors such as gender, age, BMI, etc. CHD patients should be fully aware of the impact of a healthy diet on their diseases, consciously learn the dietary knowledge and adjust the dietary structure, change bad dietary habits, and improve compliance of healthy dietary behavior.

Key words: Cardiovascular disease, Coronary heart disease, Healthy diet, Compliance, Influencing factor