The symptoms of heart failure in the elderly are as follows: 1. Patients feel weakness, mental fatigue, difficulty in breathing, and some patients have telescopic breathing; 2. coughing and coughing up sputum, and in severe cases, red foamy sputum or gray foamy sputum; 3. patients with more severe heart failure will have symptoms such as coma; 4. elderly people with mild heart failure show more urination at night and no urination during the day; 5. patients with heart failure will have water and sodium retention, creatinine In severe cases, it may lead to kidney function damage. Elderly patients with heart failure often have atypical symptoms due to their age, so they should pay attention if the above symptoms appear.