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Background Diabetic foot is a common diabetic complication and a major cause of diabetes-related disability, but there are few reports about awareness of diabetic foot and foot self-management behavior in Wagner grade 0 diabetic foot patients. Objective To analyze the awareness of diabetic foot, level and associated factors of foot self-management behavior in Wagner grade 0 diabetic foot patients in the community. Methods A total of 500 outpatients with Wagner grade 0 diabetic foot were selected from Changning District Xinhua Subdistrict Community Health Center from January to June 2021, to attend an on-site survey using a questionnaire developed by us, for understanding their knowledge of diabetic foot and approaches used to acquire the knowledge, as well as foot self-management behavior. Multiple linear regression analysis was used to analyze the associated factors of foot self-management behavior. Results The response rate was 100.0% (500/500) . The awareness rate of diabetic foot and average foot self-management behavior score of the respondents were 53.2% (266/500) , and (20.1±6.2) , respectively. The awareness of diabetic foot in the respondents differed by age, educational level, course of diabetes, and prevalence of receiving diabetes health education (P<0.05) . The foot self-management behavior score in the respondents differed by age, educational level, marital status, monthly per capita household income, course of diabetes, and prevalence of receiving diabetes health education (P<0.05) . Multiple linear regression analysis results demonstrated that, age (β=0.242) , educational level (β=0.417) , marital status (β=-0.175) , monthly per capita household income (β=-0.075) , course of diabetes (β=0.175) , and diabetes health education (β=-0.173) were associated with foot self-management behavior score (P<0.05) . The major approaches to acquiring knowledge of diabetic foot were guidance from the family doctor or community nurse (62.2%) , searching the Internet (33.2%) , and watching television/listening to the radio (30.6%) . Conclusion In Wagner grade 0 diabetic foot patients in the community, the awareness rate of diabetic foot is relatively low. Moreover, the level of foot self-management behavior is also relatively low, which may be associated with many factors, such as age, educational level, marital status, monthly per capita household income, course of diabetes, and diabetes health education.