Elevated B-type natriuretic peptide may be associated with causes such as heart failure, acute heart attack, acute pulmonary embolism, atrial fibrillation, kidney failure, and acute infections. B-type natriuretic peptide, also known as B-type brain natriuretic peptide (BNP), can be measured to determine whether the heart is functioning normally. A variety of factors can cause BNP to rise, such as heart failure, kidney failure, acute heart attack, atrial fibrillation, acute pulmonary embolism, and acute infection can cause BNP to rise. It is commonly used in clinical practice to rule out heart failure, but elevated BNP cannot simply be equated with heart failure, and needs to be combined with clinical symptoms, electrocardiogram, medical history, echocardiography and other manifestations to make a comprehensive judgment. If the level of BNP is too high, it is necessary to go to the hospital as soon as possible, and the doctor will formulate an individualized diagnosis and treatment plan according to the specific condition, so as to avoid delaying the condition. Patients need to actively adjust their dietary habits, it is recommended to implement a low-salt, low-fat diet, avoiding the intake of food containing too much cholesterol. For obese patients, it is recommended to control calorie intake, quit smoking and drinking, and control body weight every day.