This study intends to investigate the current status of disease management and quality of life of patients with chronic heart failure and their family caregivers, explore the relationship between the two sides of disease management and quality of life, help nurses identify the influencing factors of quality of life of patients with chronic heart failure and their family caregivers, and carry out family-centered care in the future. This study intends to investigate the current status of disease management and quality of life of patients with chronic heart failure and their family caregivers, explore the relationship between disease management and quality of life of both sides, and help nurses identify the influencing factors affecting the quality of life of patients with chronic heart failure and their family caregivers, so as to carry out family-centered care in the future. To provide theoretical basis for improving the quality of life of both parties.

Inclusion Criteria:

1. Meet the diagnostic criteria of Chinese Guidelines for the diagnosis and treatment of heart failure
2. the duration of chronic heart failure was ≥3 months;
3. have certain reading, comprehension and expression ability, and can complete the questionnaire independently or with the guidance of the researcher;
4. Informed and agreed to participate in the investigation

Exclusion Criteria:

• In the acute stage of the disease, such as acute heart failure attack or complicated with severe pulmonary infection, liver and kidney function damage, etc.

Outpatients in the department of cardiology of a tertiary hospital in Guangzhou