Elevated BNP represents the patient’s cardiac insufficiency, regardless of the preserved ventricular ejection fraction or reduced ejection fraction need to seek help from the doctor to control the fluid intake and reduce the load on the heart, which is also an indicator of heart failure. This symptom is commonly seen in patients suffering from heart failure and pulmonary heart disease. Patients presenting with heart failure should pay attention to the patient’s BNP index, which can be significantly elevated. To relieve this disease, anti-heart failure and vasodilator drugs such as metoprolol can be taken. Patients need to maintain emotional stability, do not become emotionally agitated and nervous, and also avoid overexertion to prevent increasing the load on the heart. Patients need to control elevated blood pressure, reduce heart load, slow conditioning and treatment, and take medications while also paying attention to diet.