Symptoms of congestive heart failure mainly include dyspnea, abdominal distension, loss of appetite, dizziness, fatigue and edema. 1. Dyspnea: If left heart congestive heart failure occurs, blood pools in the left atrium, pulmonary venous pressure increases, pulmonary stasis, causing dyspnea. In the early stage, it may develop only after emotional excitement and activity, and in the middle and late stages, it may develop at rest and during sleep, or sit-up dyspnea. 2. Abdominal distension and loss of appetite: If accompanied by congestive heart failure of the right heart and blood stasis in the digestive system, abdominal distension and loss of appetite may occur, which may cause liver function abnormality and ascites formation in severe cases. 3. Dizziness and fatigue: Insufficient blood supply to peripheral tissues in heart failure causes symptoms such as dizziness and fatigue. 4. Edema: the diastolic dysfunction of the heart, blood return is blocked, in the lower limbs and other low-hanging parts of the stagnation, the lower limbs edema. When congestive heart failure occurs, you should consult a doctor in time, and actively follow the doctor’s instructions for treatment, do not blindly take drugs to avoid aggravation of the condition.