Young people in their twenties who have mild heart failure can survive for long periods of time, ranging from decades, with rigorous treatment. If the heart failure is severe the survival rate is low and the survival period is short. In general, the life expectancy of young heart failure patients is closely related to the severity of heart failure. For those with mild heart failure, who require standardized clinical care and long-term monitoring of cardiac function, and who adjust their treatment regimen according to the results of the monitoring, patients may survive for a long period of time ranging from several years to several decades. For patients with severe heart failure, cardiac function is already poor, and may be combined with arrhythmia, poor tolerance for the environment, after scientific and rigorous treatment, can only briefly prolong life, but the survival period is relatively short. For patients with heart failure in their twenties, assessment of their condition and regular scientific treatment are crucial, and they need to be actively treated under the guidance of specialized doctors.