Early heart failure does not have obvious symptoms, but when heart failure aggravates the patient will have chest pain, because the heart function appears to be further impaired, the patient will have obvious chest tightness and shortness of breath, wheezing, shortness of breath and so on. At the same time, patients will also experience pain in the precordial area, inability to lie down, sitting breathing, lower extremity edema, fatigue, dizziness, especially severe acute left heart failure patients will experience typical chest pain, pressure-like pain behind the sternum. The patient will also have profuse sweating, irritability, cyanosis of lips and lips, etc., and also cough, cough sputum with blood in sputum and other obvious clinical symptoms and performance. Therefore, once a heart failure patient has obvious symptoms of chest pain, it proves that the heart failure is aggravated.