Heart failure in young people that can be reversed is usually the result of a clear causative agent and the absence of irreversible structural changes in the heart. The occurrence of heart failure in young people that can be reversed suggests that the patient has a clear cause, such as acute myocarditis. Acute myocarditis is a common cause of acute heart failure in young people, and in some patients, myocarditis can improve with aggressive treatment. If there are no irreversible structural changes in the heart when myocarditis occurs, cardiac function can return to normal and chronic heart failure will not occur. There are many reasons for young people to develop acute heart failure, early onset of the disease if you can get active treatment, the patient’s heart does not appear serious damage, the primary disease is under control, the heart function will gradually return to normal. When heart failure occurs in young people, it is important to give active treatment under the guidance of a physician to prevent the patient from developing permanent heart failure.