There is no such thing as the best cardiac medication. The main types of cardiac medications used in clinical practice include digitalis drugs, as well as non-digital cardiac medications. Digitalis drugs are used more often, including intravenous digitalis drugs and oral digitalis drugs. Intravenous digitalis drugs are represented by cediran, which has a faster onset of action and is used in acute heart failure or acute exacerbation of chronic heart failure. Oral digitalis, represented by digoxin, are used for long-term maintenance in patients with heart failure. Non-digyloid cardiotonic drugs include beta-agonists such as dopamine and dobutamine, and phosphodiesterase inhibitors such as milrinone and amrinone. Non-digital heart-strengthening drugs are mainly used for intractable heart failure, for short-term use. So different cardiotonic drugs are used according to the clinical need.