Objective To explore the factors influencing the management of fluid intake in chronic heart failure （CHF） patients at home, and to provide reference for the development of home intervention programs.Methods Based on the Pender Health Promotion Model (HPM), a descriptive qualitative study was conducted, 20 CHF patients discharged from the hospital were invited to participate semi-structured interviews, and content analysis was used to analyze the data and refine the themes.Results A total of 2 themes and 8 sub-themes were extracted:facilitators were perceived benefits of fluid management, engagement in proactive health behaviors, positive self-efficacy, and increased self-care time commitment; barriers were poor home coping behaviors, memory loss, negative cognition and delayed medical care, and weakened internal and external support.Conclusion It is necessary to guide CHF patients to form a correct cognition of fluid intake management, to motivate home patients to exercise self-efficacy, to carry out home fluid intake management, and strengthen the linkage of "hospital-community-family" to continuously track the disease trajectory of patients.