Dyspnea in left ventricular failure can be relieved by taking some drugs such as furosemide tablets, valsartan tablets, bisoprolol fumarate tablets and so on. 1. Diuretics: for patients with heart failure, urination can reduce the water-sodium retention in the body, so that the patient’s cardiac function has a certain degree of improvement, which can effectively reduce the amount of fluid in the body, which in turn reduces the pulmonary stasis, ascites, peripheral edema and weight loss to alleviate the symptoms of dyspnea. 2. ACEI or ARB: can effectively slow down the rate of left ventricular failure, inhibit vasoconstriction to improve ventricular remodeling, the main drugs Benadryl hydrochloride tablets, valsartan tablets and so on. 3. β-blocker: after inhibiting β1-adrenergic receptors, it can slow down the heart rate, reduce myocardial contractility, reduce myocardial oxygen consumption, so as to alleviate the role of ventricular failure. If the patient develops left heart failure, he should seek medical treatment in time and under the guidance of the doctor.